21779784

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23269}}^1$

素因数の和:23294

約数の個数: 48

約数和(自身を含む): 63527100

約数和(自身を除く): 41747316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 23269, 46538, 69807, 93076, 139614, 186152, 209421, 279228, 302497, 418842, 558456, 604994, 837684, 907491, 1209988, 1675368, 1814982, 2419976, 2722473, 3629964, 5444946, 7259928, 10889892, 21779784]

約数ペア:

[(1, 21779784), (2, 10889892), (3, 7259928), (4, 5444946), (6, 3629964), (8, 2722473), (9, 2419976), (12, 1814982), (13, 1675368), (18, 1209988), (24, 907491), (26, 837684), (36, 604994), (39, 558456), (52, 418842), (72, 302497), (78, 279228), (104, 209421), (117, 186152), (156, 139614), (234, 93076), (312, 69807), (468, 46538), (936, 23269)]