21385365

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 35199360

約数和(自身を除く): 13813995

約数列:

[1, 3, 5, 15, 83, 89, 193, 249, 267, 415, 445, 579, 965, 1245, 1335, 2895, 7387, 16019, 17177, 22161, 36935, 48057, 51531, 80095, 85885, 110805, 240285, 257655, 1425691, 4277073, 7128455, 21385365]

約数ペア:

[(1, 21385365), (3, 7128455), (5, 4277073), (15, 1425691), (83, 257655), (89, 240285), (193, 110805), (249, 85885), (267, 80095), (415, 51531), (445, 48057), (579, 36935), (965, 22161), (1245, 17177), (1335, 16019), (2895, 7387)]