21547220

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{3677}}^1$

素因数の和:3979

約数の個数: 24

約数和(自身を含む): 45415944

約数和(自身を除く): 23868724

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 3677, 5860, 7354, 14708, 18385, 36770, 73540, 1077361, 2154722, 4309444, 5386805, 10773610, 21547220]

約数ペア:

[(1, 21547220), (2, 10773610), (4, 5386805), (5, 4309444), (10, 2154722), (20, 1077361), (293, 73540), (586, 36770), (1172, 18385), (1465, 14708), (2930, 7354), (3677, 5860)]