21287124

素因数分解:

$2^2\times 3^4\times {\mathrm{65701}}^1$

素因数の和:65717

約数の個数: 30

約数和(自身を含む): 55649594

約数和(自身を除く): 34362470

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65701, 131402, 197103, 262804, 394206, 591309, 788412, 1182618, 1773927, 2365236, 3547854, 5321781, 7095708, 10643562, 21287124]

約数ペア:

[(1, 21287124), (2, 10643562), (3, 7095708), (4, 5321781), (6, 3547854), (9, 2365236), (12, 1773927), (18, 1182618), (27, 788412), (36, 591309), (54, 394206), (81, 262804), (108, 197103), (162, 131402), (324, 65701)]