21603652

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24889}}^1$

素因数の和:24931

約数の個数: 24

約数和(自身を含む): 44602880

約数和(自身を除く): 22999228

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24889, 49778, 99556, 174223, 348446, 696892, 771559, 1543118, 3086236, 5400913, 10801826, 21603652]

約数ペア:

[(1, 21603652), (2, 10801826), (4, 5400913), (7, 3086236), (14, 1543118), (28, 771559), (31, 696892), (62, 348446), (124, 174223), (217, 99556), (434, 49778), (868, 24889)]