21893876

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1693}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 39700584

約数和(自身を除く): 17806708

約数列:

[1, 2, 4, 53, 61, 106, 122, 212, 244, 1693, 3233, 3386, 6466, 6772, 12932, 89729, 103273, 179458, 206546, 358916, 413092, 5473469, 10946938, 21893876]

約数ペア:

[(1, 21893876), (2, 10946938), (4, 5473469), (53, 413092), (61, 358916), (106, 206546), (122, 179458), (212, 103273), (244, 89729), (1693, 12932), (3233, 6772), (3386, 6466)]