20621454

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70141}}^1$

素因数の和:70160

約数の個数: 24

約数和(自身を含む): 47977128

約数和(自身を除く): 27355674

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70141, 140282, 210423, 420846, 490987, 981974, 1472961, 2945922, 3436909, 6873818, 10310727, 20621454]

約数ペア:

[(1, 20621454), (2, 10310727), (3, 6873818), (6, 3436909), (7, 2945922), (14, 1472961), (21, 981974), (42, 490987), (49, 420846), (98, 210423), (147, 140282), (294, 70141)]