21231662

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:931

約数の個数: 16

約数和(自身を含む): 32432400

約数和(自身を除く): 11200738

約数列:

[1, 2, 89, 178, 181, 362, 659, 1318, 16109, 32218, 58651, 117302, 119279, 238558, 10615831, 21231662]

約数ペア:

[(1, 21231662), (2, 10615831), (89, 238558), (178, 119279), (181, 117302), (362, 58651), (659, 32218), (1318, 16109)]