21018118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20327}}^1$

素因数の和:20387

約数の個数: 16

約数和(自身を含む): 35126784

約数和(自身を除く): 14108666

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20327, 40654, 223597, 447194, 955369, 1910738, 10509059, 21018118]

約数ペア:

[(1, 21018118), (2, 10509059), (11, 1910738), (22, 955369), (47, 447194), (94, 223597), (517, 40654), (1034, 20327)]