21499150

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14827}}^1$

素因数の和:14868

約数の個数: 24

約数和(自身を含む): 41370120

約数和(自身を除く): 19870970

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14827, 29654, 74135, 148270, 370675, 429983, 741350, 859966, 2149915, 4299830, 10749575, 21499150]

約数ペア:

[(1, 21499150), (2, 10749575), (5, 4299830), (10, 2149915), (25, 859966), (29, 741350), (50, 429983), (58, 370675), (145, 148270), (290, 74135), (725, 29654), (1450, 14827)]