21692684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13457}}^1$

素因数の和:13505

約数の個数: 24

約数和(自身を含む): 42204288

約数和(自身を除く): 20511604

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13457, 26914, 53828, 174941, 349882, 417167, 699764, 834334, 1668668, 5423171, 10846342, 21692684]

約数ペア:

[(1, 21692684), (2, 10846342), (4, 5423171), (13, 1668668), (26, 834334), (31, 699764), (52, 417167), (62, 349882), (124, 174941), (403, 53828), (806, 26914), (1612, 13457)]