21868710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10267}}^1$

素因数の和:10348

約数の個数: 32

約数和(自身を含む): 53229312

約数和(自身を除く): 31360602

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 10267, 20534, 30801, 51335, 61602, 102670, 154005, 308010, 728957, 1457914, 2186871, 3644785, 4373742, 7289570, 10934355, 21868710]

約数ペア:

[(1, 21868710), (2, 10934355), (3, 7289570), (5, 4373742), (6, 3644785), (10, 2186871), (15, 1457914), (30, 728957), (71, 308010), (142, 154005), (213, 102670), (355, 61602), (426, 51335), (710, 30801), (1065, 20534), (2130, 10267)]