21650450

素因数分解:

$2^1\times 5^2\times {\mathrm{569}}^1\times {\mathrm{761}}^1$

素因数の和:1342

約数の個数: 24

約数和(自身を含む): 40393620

約数和(自身を除く): 18743170

約数列:

[1, 2, 5, 10, 25, 50, 569, 761, 1138, 1522, 2845, 3805, 5690, 7610, 14225, 19025, 28450, 38050, 433009, 866018, 2165045, 4330090, 10825225, 21650450]

約数ペア:

[(1, 21650450), (2, 10825225), (5, 4330090), (10, 2165045), (25, 866018), (50, 433009), (569, 38050), (761, 28450), (1138, 19025), (1522, 14225), (2845, 7610), (3805, 5690)]