21680357370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1\times {\mathrm{6833}}^1$

素因数の和:7400

約数の個数: 128

約数和(自身を含む): 61643773440

約数和(自身を除く): 39963416070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 521, 609, 870, 1015, 1042, 1218, 1563, 2030, 2605, 3045, 3126, 3647, 5210, 6090, 6833, 7294, 7815, 10941, 13666, 15109, 15630, 18235, 20499, 21882, 30218, 34165, 36470, 40998, 45327, 47831, 54705, 68330, 75545, 90654, 95662, 102495, 105763, 109410, 143493, 151090, 198157, 204990, 211526, 226635, 239155, 286986, 317289, 396314, 453270, 478310, 528815, 594471, 634578, 717465, 990785, 1057630, 1188942, 1387099, 1434930, 1586445, 1981570, 2774198, 2972355, 3172890, 3559993, 4161297, 5944710, 6935495, 7119986, 8322594, 10679979, 13870990, 17799965, 20806485, 21359958, 24919951, 35599930, 41612970, 49839902, 53399895, 74759853, 103239797, 106799790, 124599755, 149519706, 206479594, 249199510, 309719391, 373799265, 516198985, 619438782, 722678579, 747598530, 1032397970, 1445357158, 1548596955, 2168035737, 3097193910, 3613392895, 4336071474, 7226785790, 10840178685, 21680357370]

約数ペア:

[(1, 21680357370), (2, 10840178685), (3, 7226785790), (5, 4336071474), (6, 3613392895), (7, 3097193910), (10, 2168035737), (14, 1548596955), (15, 1445357158), (21, 1032397970), (29, 747598530), (30, 722678579), (35, 619438782), (42, 516198985), (58, 373799265), (70, 309719391), (87, 249199510), (105, 206479594), (145, 149519706), (174, 124599755), (203, 106799790), (210, 103239797), (290, 74759853), (406, 53399895), (435, 49839902), (521, 41612970), (609, 35599930), (870, 24919951), (1015, 21359958), (1042, 20806485), (1218, 17799965), (1563, 13870990), (2030, 10679979), (2605, 8322594), (3045, 7119986), (3126, 6935495), (3647, 5944710), (5210, 4161297), (6090, 3559993), (6833, 3172890), (7294, 2972355), (7815, 2774198), (10941, 1981570), (13666, 1586445), (15109, 1434930), (15630, 1387099), (18235, 1188942), (20499, 1057630), (21882, 990785), (30218, 717465), (34165, 634578), (36470, 594471), (40998, 528815), (45327, 478310), (47831, 453270), (54705, 396314), (68330, 317289), (75545, 286986), (90654, 239155), (95662, 226635), (102495, 211526), (105763, 204990), (109410, 198157), (143493, 151090)]