21310472

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{43669}}^1$

素因数の和:43736

約数の個数: 16

約数和(自身を含む): 40613100

約数和(自身を除く): 19302628

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 43669, 87338, 174676, 349352, 2663809, 5327618, 10655236, 21310472]

約数ペア:

[(1, 21310472), (2, 10655236), (4, 5327618), (8, 2663809), (61, 349352), (122, 174676), (244, 87338), (488, 43669)]