21297516

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{17231}}^1$

素因数の和:17341

約数の個数: 24

約数和(自身を含む): 50179584

約数和(自身を除く): 28882068

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 17231, 34462, 51693, 68924, 103386, 206772, 1774793, 3549586, 5324379, 7099172, 10648758, 21297516]

約数ペア:

[(1, 21297516), (2, 10648758), (3, 7099172), (4, 5324379), (6, 3549586), (12, 1774793), (103, 206772), (206, 103386), (309, 68924), (412, 51693), (618, 34462), (1236, 17231)]