21128154

素因数分解:

$2^1\times 3^1\times {\mathrm{523}}^1\times {\mathrm{6733}}^1$

素因数の和:7261

約数の個数: 16

約数和(自身を含む): 42343392

約数和(自身を除く): 21215238

約数列:

[1, 2, 3, 6, 523, 1046, 1569, 3138, 6733, 13466, 20199, 40398, 3521359, 7042718, 10564077, 21128154]

約数ペア:

[(1, 21128154), (2, 10564077), (3, 7042718), (6, 3521359), (523, 40398), (1046, 20199), (1569, 13466), (3138, 6733)]