21626150284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{420317}}^1$

素因数の和:421017

約数の個数: 24

約数和(自身を含む): 39896584560

約数和(自身を除く): 18270434276

約数列:

[1, 2, 4, 19, 38, 76, 677, 1354, 2708, 12863, 25726, 51452, 420317, 840634, 1681268, 7986023, 15972046, 31944092, 284554609, 569109218, 1138218436, 5406537571, 10813075142, 21626150284]

約数ペア:

[(1, 21626150284), (2, 10813075142), (4, 5406537571), (19, 1138218436), (38, 569109218), (76, 284554609), (677, 31944092), (1354, 15972046), (2708, 7986023), (12863, 1681268), (25726, 840634), (51452, 420317)]