21584432

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43517}}^1$

素因数の和:43556

約数の個数: 20

約数和(自身を含む): 43169856

約数和(自身を除く): 21585424

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43517, 87034, 174068, 348136, 696272, 1349027, 2698054, 5396108, 10792216, 21584432]

約数ペア:

[(1, 21584432), (2, 10792216), (4, 5396108), (8, 2698054), (16, 1349027), (31, 696272), (62, 348136), (124, 174068), (248, 87034), (496, 43517)]