21111570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78191}}^1$

素因数の和:78207

約数の個数: 32

約数和(自身を含む): 56298240

約数和(自身を除く): 35186670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78191, 156382, 234573, 390955, 469146, 703719, 781910, 1172865, 1407438, 2111157, 2345730, 3518595, 4222314, 7037190, 10555785, 21111570]

約数ペア:

[(1, 21111570), (2, 10555785), (3, 7037190), (5, 4222314), (6, 3518595), (9, 2345730), (10, 2111157), (15, 1407438), (18, 1172865), (27, 781910), (30, 703719), (45, 469146), (54, 390955), (90, 234573), (135, 156382), (270, 78191)]