21657074

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9343}}^1$

素因数の和:9425

約数の個数: 16

約数和(自身を含む): 34759680

約数和(自身を除く): 13102606

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 9343, 18686, 177517, 355034, 569923, 1139846, 10828537, 21657074]

約数ペア:

[(1, 21657074), (2, 10828537), (19, 1139846), (38, 569923), (61, 355034), (122, 177517), (1159, 18686), (2318, 9343)]