21962829

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2819}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 34719840

約数和(自身を除く): 12757011

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 2819, 7791, 8457, 19733, 59199, 138131, 149407, 414393, 448221, 1045849, 3137547, 7320943, 21962829]

約数ペア:

[(1, 21962829), (3, 7320943), (7, 3137547), (21, 1045849), (49, 448221), (53, 414393), (147, 149407), (159, 138131), (371, 59199), (1113, 19733), (2597, 8457), (2819, 7791)]