21140650

素因数分解:

$2^1\times 5^2\times {\mathrm{563}}^1\times {\mathrm{751}}^1$

素因数の和:1326

約数の個数: 24

約数和(自身を含む): 39443904

約数和(自身を除く): 18303254

約数列:

[1, 2, 5, 10, 25, 50, 563, 751, 1126, 1502, 2815, 3755, 5630, 7510, 14075, 18775, 28150, 37550, 422813, 845626, 2114065, 4228130, 10570325, 21140650]

約数ペア:

[(1, 21140650), (2, 10570325), (5, 4228130), (10, 2114065), (25, 845626), (50, 422813), (563, 37550), (751, 28150), (1126, 18775), (1502, 14075), (2815, 7510), (3755, 5630)]