21243670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1933}}^1$

素因数の和:2104

約数の個数: 32

約数和(自身を含む): 44002368

約数和(自身を除く): 22758698

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 1933, 2198, 3866, 5495, 9665, 10990, 13531, 19330, 27062, 67655, 135310, 303481, 606962, 1517405, 2124367, 3034810, 4248734, 10621835, 21243670]

約数ペア:

[(1, 21243670), (2, 10621835), (5, 4248734), (7, 3034810), (10, 2124367), (14, 1517405), (35, 606962), (70, 303481), (157, 135310), (314, 67655), (785, 27062), (1099, 19330), (1570, 13531), (1933, 10990), (2198, 9665), (3866, 5495)]