21003672

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{8179}}^1$

素因数の和:8295

約数の個数: 32

約数和(自身を含む): 53006400

約数和(自身を除く): 32002728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 8179, 16358, 24537, 32716, 49074, 65432, 98148, 196296, 875153, 1750306, 2625459, 3500612, 5250918, 7001224, 10501836, 21003672]

約数ペア:

[(1, 21003672), (2, 10501836), (3, 7001224), (4, 5250918), (6, 3500612), (8, 2625459), (12, 1750306), (24, 875153), (107, 196296), (214, 98148), (321, 65432), (428, 49074), (642, 32716), (856, 24537), (1284, 16358), (2568, 8179)]