21217504706

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{212869}}^1$

素因数の和:212994

約数の個数: 32

約数和(自身を含む): 34842561600

約数和(自身を除く): 13625056894

約数列:

[1, 2, 19, 38, 43, 61, 86, 122, 817, 1159, 1634, 2318, 2623, 5246, 49837, 99674, 212869, 425738, 4044511, 8089022, 9153367, 12985009, 18306734, 25970018, 173913973, 246715171, 347827946, 493430342, 558355387, 1116710774, 10608752353, 21217504706]

約数ペア:

[(1, 21217504706), (2, 10608752353), (19, 1116710774), (38, 558355387), (43, 493430342), (61, 347827946), (86, 246715171), (122, 173913973), (817, 25970018), (1159, 18306734), (1634, 12985009), (2318, 9153367), (2623, 8089022), (5246, 4044511), (49837, 425738), (99674, 212869)]