21008889705

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1\times {\mathrm{41183}}^1$

素因数の和:41741

約数の個数: 32

約数和(自身を含む): 34159656960

約数和(自身を除く): 13150767255

約数列:

[1, 3, 5, 15, 71, 213, 355, 479, 1065, 1437, 2395, 7185, 34009, 41183, 102027, 123549, 170045, 205915, 510135, 617745, 2923993, 8771979, 14619965, 19726657, 43859895, 59179971, 98633285, 295899855, 1400592647, 4201777941, 7002963235, 21008889705]

約数ペア:

[(1, 21008889705), (3, 7002963235), (5, 4201777941), (15, 1400592647), (71, 295899855), (213, 98633285), (355, 59179971), (479, 43859895), (1065, 19726657), (1437, 14619965), (2395, 8771979), (7185, 2923993), (34009, 617745), (41183, 510135), (102027, 205915), (123549, 170045)]