21293656

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5399}}^1$

素因数の和:5451

約数の個数: 32

約数和(自身を含む): 43740000

約数和(自身を除く): 22446344

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 5399, 10798, 21596, 43192, 91783, 156571, 183566, 313142, 367132, 626284, 734264, 1252568, 2661707, 5323414, 10646828, 21293656]

約数ペア:

[(1, 21293656), (2, 10646828), (4, 5323414), (8, 2661707), (17, 1252568), (29, 734264), (34, 626284), (58, 367132), (68, 313142), (116, 183566), (136, 156571), (232, 91783), (493, 43192), (986, 21596), (1972, 10798), (3944, 5399)]