21156264

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4817}}^1$

素因数の和:4890

約数の個数: 48

約数和(自身を含む): 58249620

約数和(自身を除く): 37093356

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4817, 9634, 14451, 19268, 28902, 38536, 43353, 57804, 86706, 115608, 173412, 293837, 346824, 587674, 881511, 1175348, 1763022, 2350696, 2644533, 3526044, 5289066, 7052088, 10578132, 21156264]

約数ペア:

[(1, 21156264), (2, 10578132), (3, 7052088), (4, 5289066), (6, 3526044), (8, 2644533), (9, 2350696), (12, 1763022), (18, 1175348), (24, 881511), (36, 587674), (61, 346824), (72, 293837), (122, 173412), (183, 115608), (244, 86706), (366, 57804), (488, 43353), (549, 38536), (732, 28902), (1098, 19268), (1464, 14451), (2196, 9634), (4392, 4817)]