21840472

素因数分解:

$2^3\times {\mathrm{1237}}^1\times {\mathrm{2207}}^1$

素因数の和:3450

約数の個数: 16

約数和(自身を含む): 41002560

約数和(自身を除く): 19162088

約数列:

[1, 2, 4, 8, 1237, 2207, 2474, 4414, 4948, 8828, 9896, 17656, 2730059, 5460118, 10920236, 21840472]

約数ペア:

[(1, 21840472), (2, 10920236), (4, 5460118), (8, 2730059), (1237, 17656), (2207, 9896), (2474, 8828), (4414, 4948)]