21187384

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2309}}^1$

素因数の和:2383

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 20947016

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2294, 2309, 4588, 4618, 9176, 9236, 18472, 71579, 85433, 143158, 170866, 286316, 341732, 572632, 683464, 2648423, 5296846, 10593692, 21187384]

約数ペア:

[(1, 21187384), (2, 10593692), (4, 5296846), (8, 2648423), (31, 683464), (37, 572632), (62, 341732), (74, 286316), (124, 170866), (148, 143158), (248, 85433), (296, 71579), (1147, 18472), (2294, 9236), (2309, 9176), (4588, 4618)]