21399066

素因数分解:

$2^1\times 3^6\times {\mathrm{13}}^1\times {\mathrm{1129}}^1$

素因数の和:1162

約数の個数: 56

約数和(自身を含む): 51873780

約数和(自身を除く): 30474714

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 729, 1053, 1129, 1458, 2106, 2258, 3159, 3387, 6318, 6774, 9477, 10161, 14677, 18954, 20322, 29354, 30483, 44031, 60966, 88062, 91449, 132093, 182898, 264186, 274347, 396279, 548694, 792558, 823041, 1188837, 1646082, 2377674, 3566511, 7133022, 10699533, 21399066]

約数ペア:

[(1, 21399066), (2, 10699533), (3, 7133022), (6, 3566511), (9, 2377674), (13, 1646082), (18, 1188837), (26, 823041), (27, 792558), (39, 548694), (54, 396279), (78, 274347), (81, 264186), (117, 182898), (162, 132093), (234, 91449), (243, 88062), (351, 60966), (486, 44031), (702, 30483), (729, 29354), (1053, 20322), (1129, 18954), (1458, 14677), (2106, 10161), (2258, 9477), (3159, 6774), (3387, 6318)]