21352620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2131}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 60173568

約数和(自身を除く): 38820948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 334, 501, 668, 835, 1002, 1670, 2004, 2131, 2505, 3340, 4262, 5010, 6393, 8524, 10020, 10655, 12786, 21310, 25572, 31965, 42620, 63930, 127860, 355877, 711754, 1067631, 1423508, 1779385, 2135262, 3558770, 4270524, 5338155, 7117540, 10676310, 21352620]

約数ペア:

[(1, 21352620), (2, 10676310), (3, 7117540), (4, 5338155), (5, 4270524), (6, 3558770), (10, 2135262), (12, 1779385), (15, 1423508), (20, 1067631), (30, 711754), (60, 355877), (167, 127860), (334, 63930), (501, 42620), (668, 31965), (835, 25572), (1002, 21310), (1670, 12786), (2004, 10655), (2131, 10020), (2505, 8524), (3340, 6393), (4262, 5010)]