21475830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2063}}^1$

素因数の和:2420

約数の個数: 32

約数和(自身を含む): 51715584

約数和(自身を除く): 30239754

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 347, 694, 1041, 1735, 2063, 2082, 3470, 4126, 5205, 6189, 10315, 10410, 12378, 20630, 30945, 61890, 715861, 1431722, 2147583, 3579305, 4295166, 7158610, 10737915, 21475830]

約数ペア:

[(1, 21475830), (2, 10737915), (3, 7158610), (5, 4295166), (6, 3579305), (10, 2147583), (15, 1431722), (30, 715861), (347, 61890), (694, 30945), (1041, 20630), (1735, 12378), (2063, 10410), (2082, 10315), (3470, 6189), (4126, 5205)]