21829768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1063}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 43666560

約数和(自身を除く): 21836792

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 151, 302, 604, 1063, 1208, 2126, 2567, 4252, 5134, 8504, 10268, 18071, 20536, 36142, 72284, 144568, 160513, 321026, 642052, 1284104, 2728721, 5457442, 10914884, 21829768]

約数ペア:

[(1, 21829768), (2, 10914884), (4, 5457442), (8, 2728721), (17, 1284104), (34, 642052), (68, 321026), (136, 160513), (151, 144568), (302, 72284), (604, 36142), (1063, 20536), (1208, 18071), (2126, 10268), (2567, 8504), (4252, 5134)]