21525426

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{3407}}^1$

素因数の和:3437

約数の個数: 48

約数和(自身を含む): 52101504

約数和(自身を除く): 30576078

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3159, 3407, 6318, 6814, 10221, 20442, 30663, 44291, 61326, 88582, 91989, 132873, 183978, 265746, 275967, 398619, 551934, 797238, 827901, 1195857, 1655802, 2391714, 3587571, 7175142, 10762713, 21525426]

約数ペア:

[(1, 21525426), (2, 10762713), (3, 7175142), (6, 3587571), (9, 2391714), (13, 1655802), (18, 1195857), (26, 827901), (27, 797238), (39, 551934), (54, 398619), (78, 275967), (81, 265746), (117, 183978), (162, 132873), (234, 91989), (243, 88582), (351, 61326), (486, 44291), (702, 30663), (1053, 20442), (2106, 10221), (3159, 6814), (3407, 6318)]