21065068

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{947}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 37904832

約数和(自身を除く): 16839764

約数列:

[1, 2, 4, 67, 83, 134, 166, 268, 332, 947, 1894, 3788, 5561, 11122, 22244, 63449, 78601, 126898, 157202, 253796, 314404, 5266267, 10532534, 21065068]

約数ペア:

[(1, 21065068), (2, 10532534), (4, 5266267), (67, 314404), (83, 253796), (134, 157202), (166, 126898), (268, 78601), (332, 63449), (947, 22244), (1894, 11122), (3788, 5561)]