21475656

素因数分解:

$2^3\times 3^2\times {\mathrm{379}}^1\times {\mathrm{787}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 58390800

約数和(自身を除く): 36915144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 379, 758, 787, 1137, 1516, 1574, 2274, 2361, 3032, 3148, 3411, 4548, 4722, 6296, 6822, 7083, 9096, 9444, 13644, 14166, 18888, 27288, 28332, 56664, 298273, 596546, 894819, 1193092, 1789638, 2386184, 2684457, 3579276, 5368914, 7158552, 10737828, 21475656]

約数ペア:

[(1, 21475656), (2, 10737828), (3, 7158552), (4, 5368914), (6, 3579276), (8, 2684457), (9, 2386184), (12, 1789638), (18, 1193092), (24, 894819), (36, 596546), (72, 298273), (379, 56664), (758, 28332), (787, 27288), (1137, 18888), (1516, 14166), (1574, 13644), (2274, 9444), (2361, 9096), (3032, 7083), (3148, 6822), (3411, 6296), (4548, 4722)]