21930381

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5987}}^1$

素因数の和:6041

約数の個数: 24

約数和(自身を含む): 35496864

約数和(自身を除く): 13566483

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5987, 17961, 53883, 65857, 197571, 221519, 592713, 664557, 1993671, 2436709, 7310127, 21930381]

約数ペア:

[(1, 21930381), (3, 7310127), (9, 2436709), (11, 1993671), (33, 664557), (37, 592713), (99, 221519), (111, 197571), (333, 65857), (407, 53883), (1221, 17961), (3663, 5987)]