21204256

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{17909}}^1$

素因数の和:17956

約数の個数: 24

約数和(自身を含む): 42876540

約数和(自身を除く): 21672284

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592, 1184, 17909, 35818, 71636, 143272, 286544, 573088, 662633, 1325266, 2650532, 5301064, 10602128, 21204256]

約数ペア:

[(1, 21204256), (2, 10602128), (4, 5301064), (8, 2650532), (16, 1325266), (32, 662633), (37, 573088), (74, 286544), (148, 143272), (296, 71636), (592, 35818), (1184, 17909)]