21162016

素因数分解:

$2^5\times {\mathrm{239}}^1\times {\mathrm{2767}}^1$

素因数の和:3016

約数の個数: 24

約数和(自身を含む): 41852160

約数和(自身を除く): 20690144

約数列:

[1, 2, 4, 8, 16, 32, 239, 478, 956, 1912, 2767, 3824, 5534, 7648, 11068, 22136, 44272, 88544, 661313, 1322626, 2645252, 5290504, 10581008, 21162016]

約数ペア:

[(1, 21162016), (2, 10581008), (4, 5290504), (8, 2645252), (16, 1322626), (32, 661313), (239, 88544), (478, 44272), (956, 22136), (1912, 11068), (2767, 7648), (3824, 5534)]