21040118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 36881568

約数和(自身を除く): 15841450

約数列:

[1, 2, 11, 17, 22, 34, 101, 187, 202, 374, 557, 1111, 1114, 1717, 2222, 3434, 6127, 9469, 12254, 18887, 18938, 37774, 56257, 104159, 112514, 208318, 618827, 956369, 1237654, 1912738, 10520059, 21040118]

約数ペア:

[(1, 21040118), (2, 10520059), (11, 1912738), (17, 1237654), (22, 956369), (34, 618827), (101, 208318), (187, 112514), (202, 104159), (374, 56257), (557, 37774), (1111, 18938), (1114, 18887), (1717, 12254), (2222, 9469), (3434, 6127)]