21028854540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9472457}}^1$

素因数の和:9472506

約数の個数: 48

約数和(自身を含む): 60472171872

約数和(自身を除く): 39443317332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9472457, 18944914, 28417371, 37889828, 47362285, 56834742, 94724570, 113669484, 142086855, 189449140, 284173710, 350480909, 568347420, 700961818, 1051442727, 1401923636, 1752404545, 2102885454, 3504809090, 4205770908, 5257213635, 7009618180, 10514427270, 21028854540]

約数ペア:

[(1, 21028854540), (2, 10514427270), (3, 7009618180), (4, 5257213635), (5, 4205770908), (6, 3504809090), (10, 2102885454), (12, 1752404545), (15, 1401923636), (20, 1051442727), (30, 700961818), (37, 568347420), (60, 350480909), (74, 284173710), (111, 189449140), (148, 142086855), (185, 113669484), (222, 94724570), (370, 56834742), (444, 47362285), (555, 37889828), (740, 28417371), (1110, 18944914), (2220, 9472457)]