21966135

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 36728832

約数和(自身を除く): 14762697

約数列:

[1, 3, 5, 15, 31, 93, 97, 155, 291, 465, 485, 487, 1455, 1461, 2435, 3007, 7305, 9021, 15035, 15097, 45105, 45291, 47239, 75485, 141717, 226455, 236195, 708585, 1464409, 4393227, 7322045, 21966135]

約数ペア:

[(1, 21966135), (3, 7322045), (5, 4393227), (15, 1464409), (31, 708585), (93, 236195), (97, 226455), (155, 141717), (291, 75485), (465, 47239), (485, 45291), (487, 45105), (1455, 15097), (1461, 15035), (2435, 9021), (3007, 7305)]