21412053

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13424427

約数列:

[1, 3, 9, 13, 27, 39, 53, 117, 159, 351, 477, 689, 1151, 1431, 2067, 3453, 6201, 10359, 14963, 18603, 31077, 44889, 61003, 134667, 183009, 404001, 549027, 793039, 1647081, 2379117, 7137351, 21412053]

約数ペア:

[(1, 21412053), (3, 7137351), (9, 2379117), (13, 1647081), (27, 793039), (39, 549027), (53, 404001), (117, 183009), (159, 134667), (351, 61003), (477, 44889), (689, 31077), (1151, 18603), (1431, 14963), (2067, 10359), (3453, 6201)]