21014838

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2897}}^1$

素因数の和:2949

約数の個数: 48

約数和(自身を含む): 50633856

約数和(自身を除く): 29619018

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2897, 3627, 5794, 7254, 8691, 17382, 26073, 37661, 52146, 75322, 89807, 112983, 179614, 225966, 269421, 338949, 538842, 677898, 808263, 1167491, 1616526, 2334982, 3502473, 7004946, 10507419, 21014838]

約数ペア:

[(1, 21014838), (2, 10507419), (3, 7004946), (6, 3502473), (9, 2334982), (13, 1616526), (18, 1167491), (26, 808263), (31, 677898), (39, 538842), (62, 338949), (78, 269421), (93, 225966), (117, 179614), (186, 112983), (234, 89807), (279, 75322), (403, 52146), (558, 37661), (806, 26073), (1209, 17382), (2418, 8691), (2897, 7254), (3627, 5794)]