21661684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15881}}^1$

素因数の和:15927

約数の個数: 24

約数和(自身を含む): 42690816

約数和(自身を除く): 21029132

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15881, 31762, 63524, 174691, 349382, 492311, 698764, 984622, 1969244, 5415421, 10830842, 21661684]

約数ペア:

[(1, 21661684), (2, 10830842), (4, 5415421), (11, 1969244), (22, 984622), (31, 698764), (44, 492311), (62, 349382), (124, 174691), (341, 63524), (682, 31762), (1364, 15881)]