21038422

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 34670592

約数和(自身を除く): 13632170

約数列:

[1, 2, 23, 37, 46, 47, 74, 94, 263, 526, 851, 1081, 1702, 1739, 2162, 3478, 6049, 9731, 12098, 12361, 19462, 24722, 39997, 79994, 223813, 284303, 447626, 457357, 568606, 914714, 10519211, 21038422]

約数ペア:

[(1, 21038422), (2, 10519211), (23, 914714), (37, 568606), (46, 457357), (47, 447626), (74, 284303), (94, 223813), (263, 79994), (526, 39997), (851, 24722), (1081, 19462), (1702, 12361), (1739, 12098), (2162, 9731), (3478, 6049)]