21975472

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7673}}^1$

素因数の和:7860

約数の個数: 20

約数和(自身を含む): 42820920

約数和(自身を除く): 20845448

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7673, 15346, 30692, 61384, 122768, 1373467, 2746934, 5493868, 10987736, 21975472]

約数ペア:

[(1, 21975472), (2, 10987736), (4, 5493868), (8, 2746934), (16, 1373467), (179, 122768), (358, 61384), (716, 30692), (1432, 15346), (2864, 7673)]