21384154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20681}}^1$

素因数の和:20741

約数の個数: 16

約数和(自身を含む): 35738496

約数和(自身を除く): 14354342

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20681, 41362, 227491, 454982, 972007, 1944014, 10692077, 21384154]

約数ペア:

[(1, 21384154), (2, 10692077), (11, 1944014), (22, 972007), (47, 454982), (94, 227491), (517, 41362), (1034, 20681)]