21342195

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9679}}^1$

素因数の和:9704

約数の個数: 36

約数和(自身を含む): 43037280

約数和(自身を除く): 21695085

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9679, 29037, 48395, 67753, 87111, 145185, 203259, 338765, 435555, 474271, 609777, 1016295, 1422813, 2371355, 3048885, 4268439, 7114065, 21342195]

約数ペア:

[(1, 21342195), (3, 7114065), (5, 4268439), (7, 3048885), (9, 2371355), (15, 1422813), (21, 1016295), (35, 609777), (45, 474271), (49, 435555), (63, 338765), (105, 203259), (147, 145185), (245, 87111), (315, 67753), (441, 48395), (735, 29037), (2205, 9679)]