21548968

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12413}}^1$

素因数の和:12457

約数の個数: 32

約数和(自身を含む): 47669760

約数和(自身を除く): 26120792

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12413, 24826, 49652, 86891, 99304, 173782, 347564, 384803, 695128, 769606, 1539212, 2693621, 3078424, 5387242, 10774484, 21548968]

約数ペア:

[(1, 21548968), (2, 10774484), (4, 5387242), (7, 3078424), (8, 2693621), (14, 1539212), (28, 769606), (31, 695128), (56, 384803), (62, 347564), (124, 173782), (217, 99304), (248, 86891), (434, 49652), (868, 24826), (1736, 12413)]