21583160

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2377}}^1$

素因数の和:2615

約数の個数: 32

約数和(自身を含む): 48796560

約数和(自身を除く): 27213400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 2377, 4540, 4754, 9080, 9508, 11885, 19016, 23770, 47540, 95080, 539579, 1079158, 2158316, 2697895, 4316632, 5395790, 10791580, 21583160]

約数ペア:

[(1, 21583160), (2, 10791580), (4, 5395790), (5, 4316632), (8, 2697895), (10, 2158316), (20, 1079158), (40, 539579), (227, 95080), (454, 47540), (908, 23770), (1135, 19016), (1816, 11885), (2270, 9508), (2377, 9080), (4540, 4754)]