21321568

素因数分解:

$2^5\times {\mathrm{569}}^1\times {\mathrm{1171}}^1$

素因数の和:1750

約数の個数: 24

約数和(自身を含む): 42086520

約数和(自身を除く): 20764952

約数列:

[1, 2, 4, 8, 16, 32, 569, 1138, 1171, 2276, 2342, 4552, 4684, 9104, 9368, 18208, 18736, 37472, 666299, 1332598, 2665196, 5330392, 10660784, 21321568]

約数ペア:

[(1, 21321568), (2, 10660784), (4, 5330392), (8, 2665196), (16, 1332598), (32, 666299), (569, 37472), (1138, 18736), (1171, 18208), (2276, 9368), (2342, 9104), (4552, 4684)]