21067110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1571}}^1$

素因数の和:1733

約数の個数: 48

約数和(自身を含む): 55177200

約数和(自身を除く): 34110090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1490, 1571, 2235, 2682, 3142, 4470, 4713, 6705, 7855, 9426, 13410, 14139, 15710, 23565, 28278, 47130, 70695, 141390, 234079, 468158, 702237, 1170395, 1404474, 2106711, 2340790, 3511185, 4213422, 7022370, 10533555, 21067110]

約数ペア:

[(1, 21067110), (2, 10533555), (3, 7022370), (5, 4213422), (6, 3511185), (9, 2340790), (10, 2106711), (15, 1404474), (18, 1170395), (30, 702237), (45, 468158), (90, 234079), (149, 141390), (298, 70695), (447, 47130), (745, 28278), (894, 23565), (1341, 15710), (1490, 14139), (1571, 13410), (2235, 9426), (2682, 7855), (3142, 6705), (4470, 4713)]