21266856

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22721}}^1$

素因数の和:22746

約数の個数: 48

約数和(自身を含む): 62031060

約数和(自身を除く): 40764204

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22721, 45442, 68163, 90884, 136326, 181768, 204489, 272652, 295373, 408978, 545304, 590746, 817956, 886119, 1181492, 1635912, 1772238, 2362984, 2658357, 3544476, 5316714, 7088952, 10633428, 21266856]

約数ペア:

[(1, 21266856), (2, 10633428), (3, 7088952), (4, 5316714), (6, 3544476), (8, 2658357), (9, 2362984), (12, 1772238), (13, 1635912), (18, 1181492), (24, 886119), (26, 817956), (36, 590746), (39, 545304), (52, 408978), (72, 295373), (78, 272652), (104, 204489), (117, 181768), (156, 136326), (234, 90884), (312, 68163), (468, 45442), (936, 22721)]