21404538

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{14327}}^1$

素因数の和:14418

約数の個数: 24

約数和(自身を含む): 46938528

約数和(自身を除く): 25533990

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 14327, 28654, 42981, 85962, 128943, 257886, 1189141, 2378282, 3567423, 7134846, 10702269, 21404538]

約数ペア:

[(1, 21404538), (2, 10702269), (3, 7134846), (6, 3567423), (9, 2378282), (18, 1189141), (83, 257886), (166, 128943), (249, 85962), (498, 42981), (747, 28654), (1494, 14327)]