21641782

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20533}}^1$

素因数の和:20583

約数の個数: 16

約数和(自身を含む): 35482752

約数和(自身を除く): 13840970

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 20533, 41066, 349061, 636523, 698122, 1273046, 10820891, 21641782]

約数ペア:

[(1, 21641782), (2, 10820891), (17, 1273046), (31, 698122), (34, 636523), (62, 349061), (527, 41066), (1054, 20533)]