21408510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10651}}^1$

素因数の和:10728

約数の個数: 32

約数和(自身を含む): 52152192

約数和(自身を除く): 30743682

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10651, 21302, 31953, 53255, 63906, 106510, 159765, 319530, 713617, 1427234, 2140851, 3568085, 4281702, 7136170, 10704255, 21408510]

約数ペア:

[(1, 21408510), (2, 10704255), (3, 7136170), (5, 4281702), (6, 3568085), (10, 2140851), (15, 1427234), (30, 713617), (67, 319530), (134, 159765), (201, 106510), (335, 63906), (402, 53255), (670, 31953), (1005, 21302), (2010, 10651)]