21019848

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23671}}^1$

素因数の和:23717

約数の個数: 32

約数和(自身を含む): 53972160

約数和(自身を除く): 32952312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23671, 47342, 71013, 94684, 142026, 189368, 284052, 568104, 875827, 1751654, 2627481, 3503308, 5254962, 7006616, 10509924, 21019848]

約数ペア:

[(1, 21019848), (2, 10509924), (3, 7006616), (4, 5254962), (6, 3503308), (8, 2627481), (12, 1751654), (24, 875827), (37, 568104), (74, 284052), (111, 189368), (148, 142026), (222, 94684), (296, 71013), (444, 47342), (888, 23671)]