21929269

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 24045120

約数和(自身を除く): 2115851

約数列:

[1, 17, 43, 131, 229, 731, 2227, 3893, 5633, 9847, 29999, 95761, 167399, 509983, 1289957, 21929269]

約数ペア:

[(1, 21929269), (17, 1289957), (43, 509983), (131, 167399), (229, 95761), (731, 29999), (2227, 9847), (3893, 5633)]