21687186

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1103}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 45308160

約数和(自身を除く): 23620974

約数列:

[1, 2, 3, 6, 29, 58, 87, 113, 174, 226, 339, 678, 1103, 2206, 3277, 3309, 6554, 6618, 9831, 19662, 31987, 63974, 95961, 124639, 191922, 249278, 373917, 747834, 3614531, 7229062, 10843593, 21687186]

約数ペア:

[(1, 21687186), (2, 10843593), (3, 7229062), (6, 3614531), (29, 747834), (58, 373917), (87, 249278), (113, 191922), (174, 124639), (226, 95961), (339, 63974), (678, 31987), (1103, 19662), (2206, 9831), (3277, 6618), (3309, 6554)]