21059454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2477}}^1$

素因数の和:2604

約数の個数: 32

約数和(自身を含む): 45793440

約数和(自身を除く): 24733986

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2477, 2834, 4251, 4954, 7431, 8502, 14862, 32201, 64402, 96603, 193206, 269993, 539986, 809979, 1619958, 3509909, 7019818, 10529727, 21059454]

約数ペア:

[(1, 21059454), (2, 10529727), (3, 7019818), (6, 3509909), (13, 1619958), (26, 809979), (39, 539986), (78, 269993), (109, 193206), (218, 96603), (327, 64402), (654, 32201), (1417, 14862), (2477, 8502), (2834, 7431), (4251, 4954)]