21290969440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{863}}^1$

素因数の和:1329

約数の個数: 192

約数和(自身を含む): 56239142400

約数和(自身を除く): 34948172960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 65, 80, 104, 116, 130, 145, 160, 208, 232, 260, 290, 377, 409, 416, 464, 520, 580, 754, 818, 863, 928, 1040, 1160, 1508, 1636, 1726, 1885, 2045, 2080, 2320, 3016, 3272, 3452, 3770, 4090, 4315, 4640, 5317, 6032, 6544, 6904, 7540, 8180, 8630, 10634, 11219, 11861, 12064, 13088, 13808, 15080, 16360, 17260, 21268, 22438, 23722, 25027, 26585, 27616, 30160, 32720, 34520, 42536, 44876, 47444, 50054, 53170, 56095, 59305, 60320, 65440, 69040, 85072, 89752, 94888, 100108, 106340, 112190, 118610, 125135, 138080, 154193, 170144, 179504, 189776, 200216, 212680, 224380, 237220, 250270, 308386, 325351, 352967, 359008, 379552, 400432, 425360, 448760, 474440, 500540, 616772, 650702, 705934, 770965, 800864, 850720, 897520, 948880, 1001080, 1233544, 1301404, 1411868, 1541930, 1626755, 1764835, 1795040, 1897760, 2002160, 2467088, 2602808, 2823736, 3083860, 3253510, 3529670, 4004320, 4588571, 4934176, 5205616, 5647472, 6167720, 6507020, 7059340, 9177142, 10236043, 10411232, 11294944, 12335440, 13014040, 14118680, 18354284, 20472086, 22942855, 24670880, 26028080, 28237360, 36708568, 40944172, 45885710, 51180215, 52056160, 56474720, 73417136, 81888344, 91771420, 102360430, 133068559, 146834272, 163776688, 183542840, 204720860, 266137118, 327553376, 367085680, 409441720, 532274236, 665342795, 734171360, 818883440, 1064548472, 1330685590, 1637766880, 2129096944, 2661371180, 4258193888, 5322742360, 10645484720, 21290969440]

約数ペア:

[(1, 21290969440), (2, 10645484720), (4, 5322742360), (5, 4258193888), (8, 2661371180), (10, 2129096944), (13, 1637766880), (16, 1330685590), (20, 1064548472), (26, 818883440), (29, 734171360), (32, 665342795), (40, 532274236), (52, 409441720), (58, 367085680), (65, 327553376), (80, 266137118), (104, 204720860), (116, 183542840), (130, 163776688), (145, 146834272), (160, 133068559), (208, 102360430), (232, 91771420), (260, 81888344), (290, 73417136), (377, 56474720), (409, 52056160), (416, 51180215), (464, 45885710), (520, 40944172), (580, 36708568), (754, 28237360), (818, 26028080), (863, 24670880), (928, 22942855), (1040, 20472086), (1160, 18354284), (1508, 14118680), (1636, 13014040), (1726, 12335440), (1885, 11294944), (2045, 10411232), (2080, 10236043), (2320, 9177142), (3016, 7059340), (3272, 6507020), (3452, 6167720), (3770, 5647472), (4090, 5205616), (4315, 4934176), (4640, 4588571), (5317, 4004320), (6032, 3529670), (6544, 3253510), (6904, 3083860), (7540, 2823736), (8180, 2602808), (8630, 2467088), (10634, 2002160), (11219, 1897760), (11861, 1795040), (12064, 1764835), (13088, 1626755), (13808, 1541930), (15080, 1411868), (16360, 1301404), (17260, 1233544), (21268, 1001080), (22438, 948880), (23722, 897520), (25027, 850720), (26585, 800864), (27616, 770965), (30160, 705934), (32720, 650702), (34520, 616772), (42536, 500540), (44876, 474440), (47444, 448760), (50054, 425360), (53170, 400432), (56095, 379552), (59305, 359008), (60320, 352967), (65440, 325351), (69040, 308386), (85072, 250270), (89752, 237220), (94888, 224380), (100108, 212680), (106340, 200216), (112190, 189776), (118610, 179504), (125135, 170144), (138080, 154193)]