21163999680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{128923}}^1$

素因数の和:128968

約数の個数: 224

約数和(自身を含む): 78592070400

約数和(自身を除く): 57428070720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 432, 456, 480, 513, 540, 570, 576, 608, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1216, 1368, 1440, 1520, 1710, 1728, 1824, 2052, 2160, 2280, 2565, 2736, 2880, 3040, 3420, 3648, 4104, 4320, 4560, 5130, 5472, 6080, 6840, 8208, 8640, 9120, 10260, 10944, 13680, 16416, 18240, 20520, 27360, 32832, 41040, 54720, 82080, 128923, 164160, 257846, 386769, 515692, 644615, 773538, 1031384, 1160307, 1289230, 1547076, 1933845, 2062768, 2320614, 2449537, 2578460, 3094152, 3480921, 3867690, 4125536, 4641228, 4899074, 5156920, 5801535, 6188304, 6961842, 7348611, 7735380, 8251072, 9282456, 9798148, 10313840, 11603070, 12247685, 12376608, 13923684, 14697222, 15470760, 17404605, 18564912, 19596296, 20627680, 22045833, 23206140, 24495370, 24753216, 27847368, 29394444, 30941520, 34809210, 36743055, 37129824, 39192592, 41255360, 44091666, 46412280, 48990740, 55694736, 58788888, 61883040, 66137499, 69618420, 73486110, 74259648, 78385184, 88183332, 92824560, 97981480, 110229165, 111389472, 117577776, 123766080, 132274998, 139236840, 146972220, 156770368, 176366664, 185649120, 195962960, 220458330, 222778944, 235155552, 264549996, 278473680, 293944440, 330687495, 352733328, 371298240, 391925920, 440916660, 470311104, 529099992, 556947360, 587888880, 661374990, 705466656, 783851840, 881833320, 1058199984, 1113894720, 1175777760, 1322749980, 1410933312, 1763666640, 2116399968, 2351555520, 2645499960, 3527333280, 4232799936, 5290999920, 7054666560, 10581999840, 21163999680]

約数ペア:

[(1, 21163999680), (2, 10581999840), (3, 7054666560), (4, 5290999920), (5, 4232799936), (6, 3527333280), (8, 2645499960), (9, 2351555520), (10, 2116399968), (12, 1763666640), (15, 1410933312), (16, 1322749980), (18, 1175777760), (19, 1113894720), (20, 1058199984), (24, 881833320), (27, 783851840), (30, 705466656), (32, 661374990), (36, 587888880), (38, 556947360), (40, 529099992), (45, 470311104), (48, 440916660), (54, 391925920), (57, 371298240), (60, 352733328), (64, 330687495), (72, 293944440), (76, 278473680), (80, 264549996), (90, 235155552), (95, 222778944), (96, 220458330), (108, 195962960), (114, 185649120), (120, 176366664), (135, 156770368), (144, 146972220), (152, 139236840), (160, 132274998), (171, 123766080), (180, 117577776), (190, 111389472), (192, 110229165), (216, 97981480), (228, 92824560), (240, 88183332), (270, 78385184), (285, 74259648), (288, 73486110), (304, 69618420), (320, 66137499), (342, 61883040), (360, 58788888), (380, 55694736), (432, 48990740), (456, 46412280), (480, 44091666), (513, 41255360), (540, 39192592), (570, 37129824), (576, 36743055), (608, 34809210), (684, 30941520), (720, 29394444), (760, 27847368), (855, 24753216), (864, 24495370), (912, 23206140), (960, 22045833), (1026, 20627680), (1080, 19596296), (1140, 18564912), (1216, 17404605), (1368, 15470760), (1440, 14697222), (1520, 13923684), (1710, 12376608), (1728, 12247685), (1824, 11603070), (2052, 10313840), (2160, 9798148), (2280, 9282456), (2565, 8251072), (2736, 7735380), (2880, 7348611), (3040, 6961842), (3420, 6188304), (3648, 5801535), (4104, 5156920), (4320, 4899074), (4560, 4641228), (5130, 4125536), (5472, 3867690), (6080, 3480921), (6840, 3094152), (8208, 2578460), (8640, 2449537), (9120, 2320614), (10260, 2062768), (10944, 1933845), (13680, 1547076), (16416, 1289230), (18240, 1160307), (20520, 1031384), (27360, 773538), (32832, 644615), (41040, 515692), (54720, 386769), (82080, 257846), (128923, 164160)]