21586578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2539}}^1$

素因数の和:2666

約数の個数: 32

約数和(自身を含む): 46939200

約数和(自身を除く): 25352622

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2539, 2834, 4251, 5078, 7617, 8502, 15234, 33007, 66014, 99021, 198042, 276751, 553502, 830253, 1660506, 3597763, 7195526, 10793289, 21586578]

約数ペア:

[(1, 21586578), (2, 10793289), (3, 7195526), (6, 3597763), (13, 1660506), (26, 830253), (39, 553502), (78, 276751), (109, 198042), (218, 99021), (327, 66014), (654, 33007), (1417, 15234), (2539, 8502), (2834, 7617), (4251, 5078)]