21856150

素因数分解:

$2^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1613}}^1$

素因数の和:1896

約数の個数: 24

約数和(自身を含む): 40827744

約数和(自身を除く): 18971594

約数列:

[1, 2, 5, 10, 25, 50, 271, 542, 1355, 1613, 2710, 3226, 6775, 8065, 13550, 16130, 40325, 80650, 437123, 874246, 2185615, 4371230, 10928075, 21856150]

約数ペア:

[(1, 21856150), (2, 10928075), (5, 4371230), (10, 2185615), (25, 874246), (50, 437123), (271, 80650), (542, 40325), (1355, 16130), (1613, 13550), (2710, 8065), (3226, 6775)]