21445979360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{857}}^1$

素因数の和:1165

約数の個数: 192

約数和(自身を含む): 55903079232

約数和(自身を除く): 34457099872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 65, 80, 104, 106, 130, 160, 208, 212, 227, 260, 265, 416, 424, 454, 520, 530, 689, 848, 857, 908, 1040, 1060, 1135, 1378, 1696, 1714, 1816, 2080, 2120, 2270, 2756, 2951, 3428, 3445, 3632, 4240, 4285, 4540, 5512, 5902, 6856, 6890, 7264, 8480, 8570, 9080, 11024, 11141, 11804, 12031, 13712, 13780, 14755, 17140, 18160, 22048, 22282, 23608, 24062, 27424, 27560, 29510, 34280, 36320, 44564, 45421, 47216, 48124, 55120, 55705, 59020, 60155, 68560, 89128, 90842, 94432, 96248, 110240, 111410, 118040, 120310, 137120, 156403, 178256, 181684, 192496, 194539, 222820, 227105, 236080, 240620, 312806, 356512, 363368, 384992, 389078, 445640, 454210, 472160, 481240, 590473, 625612, 726736, 778156, 782015, 891280, 908420, 962480, 972695, 1180946, 1251224, 1453472, 1556312, 1564030, 1782560, 1816840, 1924960, 1945390, 2361892, 2502448, 2529007, 2952365, 3112624, 3128060, 3633680, 3890780, 4723784, 5004896, 5058014, 5904730, 6225248, 6256120, 7267360, 7781560, 9447568, 10116028, 10310567, 11809460, 12512240, 12645035, 15563120, 18895136, 20232056, 20621134, 23618920, 25024480, 25290070, 31126240, 40464112, 41242268, 47237840, 50580140, 51552835, 80928224, 82484536, 94475680, 101160280, 103105670, 134037371, 164969072, 202320560, 206211340, 268074742, 329938144, 404641120, 412422680, 536149484, 670186855, 824845360, 1072298968, 1340373710, 1649690720, 2144597936, 2680747420, 4289195872, 5361494840, 10722989680, 21445979360]

約数ペア:

[(1, 21445979360), (2, 10722989680), (4, 5361494840), (5, 4289195872), (8, 2680747420), (10, 2144597936), (13, 1649690720), (16, 1340373710), (20, 1072298968), (26, 824845360), (32, 670186855), (40, 536149484), (52, 412422680), (53, 404641120), (65, 329938144), (80, 268074742), (104, 206211340), (106, 202320560), (130, 164969072), (160, 134037371), (208, 103105670), (212, 101160280), (227, 94475680), (260, 82484536), (265, 80928224), (416, 51552835), (424, 50580140), (454, 47237840), (520, 41242268), (530, 40464112), (689, 31126240), (848, 25290070), (857, 25024480), (908, 23618920), (1040, 20621134), (1060, 20232056), (1135, 18895136), (1378, 15563120), (1696, 12645035), (1714, 12512240), (1816, 11809460), (2080, 10310567), (2120, 10116028), (2270, 9447568), (2756, 7781560), (2951, 7267360), (3428, 6256120), (3445, 6225248), (3632, 5904730), (4240, 5058014), (4285, 5004896), (4540, 4723784), (5512, 3890780), (5902, 3633680), (6856, 3128060), (6890, 3112624), (7264, 2952365), (8480, 2529007), (8570, 2502448), (9080, 2361892), (11024, 1945390), (11141, 1924960), (11804, 1816840), (12031, 1782560), (13712, 1564030), (13780, 1556312), (14755, 1453472), (17140, 1251224), (18160, 1180946), (22048, 972695), (22282, 962480), (23608, 908420), (24062, 891280), (27424, 782015), (27560, 778156), (29510, 726736), (34280, 625612), (36320, 590473), (44564, 481240), (45421, 472160), (47216, 454210), (48124, 445640), (55120, 389078), (55705, 384992), (59020, 363368), (60155, 356512), (68560, 312806), (89128, 240620), (90842, 236080), (94432, 227105), (96248, 222820), (110240, 194539), (111410, 192496), (118040, 181684), (120310, 178256), (137120, 156403)]