21254646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12343}}^1$

素因数の和:12396

約数の個数: 32

約数和(自身を含む): 49771008

約数和(自身を除く): 28516362

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12343, 24686, 37029, 74058, 86401, 172802, 259203, 506063, 518406, 1012126, 1518189, 3036378, 3542441, 7084882, 10627323, 21254646]

約数ペア:

[(1, 21254646), (2, 10627323), (3, 7084882), (6, 3542441), (7, 3036378), (14, 1518189), (21, 1012126), (41, 518406), (42, 506063), (82, 259203), (123, 172802), (246, 86401), (287, 74058), (574, 37029), (861, 24686), (1722, 12343)]