21296628

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6361}}^1$

素因数の和:6405

約数の個数: 48

約数和(自身を含む): 57003520

約数和(自身を除く): 35706892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6361, 12722, 19083, 25444, 38166, 57249, 76332, 114498, 171747, 197191, 228996, 343494, 394382, 591573, 686988, 788764, 1183146, 1774719, 2366292, 3549438, 5324157, 7098876, 10648314, 21296628]

約数ペア:

[(1, 21296628), (2, 10648314), (3, 7098876), (4, 5324157), (6, 3549438), (9, 2366292), (12, 1774719), (18, 1183146), (27, 788764), (31, 686988), (36, 591573), (54, 394382), (62, 343494), (93, 228996), (108, 197191), (124, 171747), (186, 114498), (279, 76332), (372, 57249), (558, 38166), (837, 25444), (1116, 19083), (1674, 12722), (3348, 6361)]