21455730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{238397}}^1$

素因数の和:238410

約数の個数: 24

約数和(自身を含む): 55785132

約数和(自身を除く): 34329402

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 238397, 476794, 715191, 1191985, 1430382, 2145573, 2383970, 3575955, 4291146, 7151910, 10727865, 21455730]

約数ペア:

[(1, 21455730), (2, 10727865), (3, 7151910), (5, 4291146), (6, 3575955), (9, 2383970), (10, 2145573), (15, 1430382), (18, 1191985), (30, 715191), (45, 476794), (90, 238397)]