21463220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9497}}^1$

素因数の和:9619

約数の個数: 24

約数和(自身を含む): 45476424

約数和(自身を除く): 24013204

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9497, 18994, 37988, 47485, 94970, 189940, 1073161, 2146322, 4292644, 5365805, 10731610, 21463220]

約数ペア:

[(1, 21463220), (2, 10731610), (4, 5365805), (5, 4292644), (10, 2146322), (20, 1073161), (113, 189940), (226, 94970), (452, 47485), (565, 37988), (1130, 18994), (2260, 9497)]