4019421

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 6411360

約数和(自身を除く): 2391939

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 739, 777, 1813, 2217, 5173, 5439, 15519, 27343, 36211, 82029, 108633, 191401, 574203, 1339807, 4019421]

約数ペア:

[(1, 4019421), (3, 1339807), (7, 574203), (21, 191401), (37, 108633), (49, 82029), (111, 36211), (147, 27343), (259, 15519), (739, 5439), (777, 5173), (1813, 2217)]