21011966

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1511}}^1$

素因数の和:1939

約数の個数: 16

約数和(自身を含む): 33475680

約数和(自身を除く): 12463714

約数列:

[1, 2, 17, 34, 409, 818, 1511, 3022, 6953, 13906, 25687, 51374, 617999, 1235998, 10505983, 21011966]

約数ペア:

[(1, 21011966), (2, 10505983), (17, 1235998), (34, 617999), (409, 51374), (818, 25687), (1511, 13906), (3022, 6953)]