21983925

素因数分解:

$3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1867}}^1$

素因数の和:2037

約数の個数: 24

約数和(自身を含む): 36597856

約数和(自身を除く): 14613931

約数列:

[1, 3, 5, 15, 25, 75, 157, 471, 785, 1867, 2355, 3925, 5601, 9335, 11775, 28005, 46675, 140025, 293119, 879357, 1465595, 4396785, 7327975, 21983925]

約数ペア:

[(1, 21983925), (3, 7327975), (5, 4396785), (15, 1465595), (25, 879357), (75, 293119), (157, 140025), (471, 46675), (785, 28005), (1867, 11775), (2355, 9335), (3925, 5601)]