21116079

素因数分解:

$3^3\times {\mathrm{367}}^1\times {\mathrm{2131}}^1$

素因数の和:2507

約数の個数: 16

約数和(自身を含む): 31383040

約数和(自身を除く): 10266961

約数列:

[1, 3, 9, 27, 367, 1101, 2131, 3303, 6393, 9909, 19179, 57537, 782077, 2346231, 7038693, 21116079]

約数ペア:

[(1, 21116079), (3, 7038693), (9, 2346231), (27, 782077), (367, 57537), (1101, 19179), (2131, 9909), (3303, 6393)]