21106908

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18913}}^1$

素因数の和:18954

約数の個数: 36

約数和(自身を含む): 55077568

約数和(自身を除く): 33970660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18913, 37826, 56739, 75652, 113478, 170217, 226956, 340434, 586303, 680868, 1172606, 1758909, 2345212, 3517818, 5276727, 7035636, 10553454, 21106908]

約数ペア:

[(1, 21106908), (2, 10553454), (3, 7035636), (4, 5276727), (6, 3517818), (9, 2345212), (12, 1758909), (18, 1172606), (31, 680868), (36, 586303), (62, 340434), (93, 226956), (124, 170217), (186, 113478), (279, 75652), (372, 56739), (558, 37826), (1116, 18913)]