21374366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20051}}^1$

素因数の和:20107

約数の個数: 16

約数和(自身を含む): 35371728

約数和(自身を除く): 13997362

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 20051, 40102, 260663, 521326, 822091, 1644182, 10687183, 21374366]

約数ペア:

[(1, 21374366), (2, 10687183), (13, 1644182), (26, 822091), (41, 521326), (82, 260663), (533, 40102), (1066, 20051)]