21938090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{95383}}^1$

素因数の和:95413

約数の個数: 16

約数和(自身を含む): 41205888

約数和(自身を除く): 19267798

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 95383, 190766, 476915, 953830, 2193809, 4387618, 10969045, 21938090]

約数ペア:

[(1, 21938090), (2, 10969045), (5, 4387618), (10, 2193809), (23, 953830), (46, 476915), (115, 190766), (230, 95383)]