21435585

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 35614080

約数和(自身を除く): 14178495

約数列:

[1, 3, 5, 15, 53, 59, 159, 177, 265, 295, 457, 795, 885, 1371, 2285, 3127, 6855, 9381, 15635, 24221, 26963, 46905, 72663, 80889, 121105, 134815, 363315, 404445, 1429039, 4287117, 7145195, 21435585]

約数ペア:

[(1, 21435585), (3, 7145195), (5, 4287117), (15, 1429039), (53, 404445), (59, 363315), (159, 134815), (177, 121105), (265, 80889), (295, 72663), (457, 46905), (795, 26963), (885, 24221), (1371, 15635), (2285, 9381), (3127, 6855)]