21471590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3037}}^1$

素因数の和:3152

約数の個数: 32

約数和(自身を含む): 44622144

約数和(自身を除く): 23150554

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3037, 3535, 6074, 7070, 15185, 21259, 30370, 42518, 106295, 212590, 306737, 613474, 1533685, 2147159, 3067370, 4294318, 10735795, 21471590]

約数ペア:

[(1, 21471590), (2, 10735795), (5, 4294318), (7, 3067370), (10, 2147159), (14, 1533685), (35, 613474), (70, 306737), (101, 212590), (202, 106295), (505, 42518), (707, 30370), (1010, 21259), (1414, 15185), (3037, 7070), (3535, 6074)]