21831490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{907}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 41186880

約数和(自身を除く): 19355390

約数列:

[1, 2, 5, 10, 29, 58, 83, 145, 166, 290, 415, 830, 907, 1814, 2407, 4535, 4814, 9070, 12035, 24070, 26303, 52606, 75281, 131515, 150562, 263030, 376405, 752810, 2183149, 4366298, 10915745, 21831490]

約数ペア:

[(1, 21831490), (2, 10915745), (5, 4366298), (10, 2183149), (29, 752810), (58, 376405), (83, 263030), (145, 150562), (166, 131515), (290, 75281), (415, 52606), (830, 26303), (907, 24070), (1814, 12035), (2407, 9070), (4535, 4814)]