21997382

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{13697}}^1$

素因数の和:13783

約数の個数: 16

約数和(自身を含む): 36491472

約数和(自身を除く): 14494090

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 13697, 27394, 150667, 301334, 999881, 1999762, 10998691, 21997382]

約数ペア:

[(1, 21997382), (2, 10998691), (11, 1999762), (22, 999881), (73, 301334), (146, 150667), (803, 27394), (1606, 13697)]