21243856900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4335481}}^1$

素因数の和:4335509

約数の個数: 54

約数和(自身を含む): 53625576858

約数和(自身を除く): 32381719958

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 4335481, 8670962, 17341924, 21677405, 30348367, 43354810, 60696734, 86709620, 108387025, 121393468, 151741835, 212438569, 216774050, 303483670, 424877138, 433548100, 606967340, 758709175, 849754276, 1062192845, 1517418350, 2124385690, 3034836700, 4248771380, 5310964225, 10621928450, 21243856900]

約数ペア:

[(1, 21243856900), (2, 10621928450), (4, 5310964225), (5, 4248771380), (7, 3034836700), (10, 2124385690), (14, 1517418350), (20, 1062192845), (25, 849754276), (28, 758709175), (35, 606967340), (49, 433548100), (50, 424877138), (70, 303483670), (98, 216774050), (100, 212438569), (140, 151741835), (175, 121393468), (196, 108387025), (245, 86709620), (350, 60696734), (490, 43354810), (700, 30348367), (980, 21677405), (1225, 17341924), (2450, 8670962), (4900, 4335481)]