21462760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48779}}^1$

素因数の和:48801

約数の個数: 32

約数和(自身を含む): 52682400

約数和(自身を除く): 31219640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 48779, 97558, 195116, 243895, 390232, 487790, 536569, 975580, 1073138, 1951160, 2146276, 2682845, 4292552, 5365690, 10731380, 21462760]

約数ペア:

[(1, 21462760), (2, 10731380), (4, 5365690), (5, 4292552), (8, 2682845), (10, 2146276), (11, 1951160), (20, 1073138), (22, 975580), (40, 536569), (44, 487790), (55, 390232), (88, 243895), (110, 195116), (220, 97558), (440, 48779)]