21424552

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2389}}^1$

素因数の和:2473

約数の個数: 32

約数和(自身を含む): 43020000

約数和(自身を除く): 21595448

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 2389, 4484, 4778, 8968, 9556, 19112, 45391, 90782, 140951, 181564, 281902, 363128, 563804, 1127608, 2678069, 5356138, 10712276, 21424552]

約数ペア:

[(1, 21424552), (2, 10712276), (4, 5356138), (8, 2678069), (19, 1127608), (38, 563804), (59, 363128), (76, 281902), (118, 181564), (152, 140951), (236, 90782), (472, 45391), (1121, 19112), (2242, 9556), (2389, 8968), (4484, 4778)]