21006021

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1453}}^1$

素因数の和:1596

約数の個数: 16

約数和(自身を含む): 28847360

約数和(自身を除く): 7841339

約数列:

[1, 3, 61, 79, 183, 237, 1453, 4359, 4819, 14457, 88633, 114787, 265899, 344361, 7002007, 21006021]

約数ペア:

[(1, 21006021), (3, 7002007), (61, 344361), (79, 265899), (183, 114787), (237, 88633), (1453, 14457), (4359, 4819)]