21009270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3319}}^1$

素因数の和:3540

約数の個数: 32

約数和(自身を含む): 50676480

約数和(自身を除く): 29667210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2110, 3165, 3319, 6330, 6638, 9957, 16595, 19914, 33190, 49785, 99570, 700309, 1400618, 2100927, 3501545, 4201854, 7003090, 10504635, 21009270]

約数ペア:

[(1, 21009270), (2, 10504635), (3, 7003090), (5, 4201854), (6, 3501545), (10, 2100927), (15, 1400618), (30, 700309), (211, 99570), (422, 49785), (633, 33190), (1055, 19914), (1266, 16595), (2110, 9957), (3165, 6638), (3319, 6330)]