21685830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6397}}^1$

素因数の和:6520

約数の個数: 32

約数和(自身を含む): 52514784

約数和(自身を除く): 30828954

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 113, 226, 339, 565, 678, 1130, 1695, 3390, 6397, 12794, 19191, 31985, 38382, 63970, 95955, 191910, 722861, 1445722, 2168583, 3614305, 4337166, 7228610, 10842915, 21685830]

約数ペア:

[(1, 21685830), (2, 10842915), (3, 7228610), (5, 4337166), (6, 3614305), (10, 2168583), (15, 1445722), (30, 722861), (113, 191910), (226, 95955), (339, 63970), (565, 38382), (678, 31985), (1130, 19191), (1695, 12794), (3390, 6397)]