21941120

素因数分解:

$2^7\times 5^1\times {\mathrm{34283}}^1$

素因数の和:34302

約数の個数: 32

約数和(自身を含む): 52454520

約数和(自身を除く): 30513400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 34283, 68566, 137132, 171415, 274264, 342830, 548528, 685660, 1097056, 1371320, 2194112, 2742640, 4388224, 5485280, 10970560, 21941120]

約数ペア:

[(1, 21941120), (2, 10970560), (4, 5485280), (5, 4388224), (8, 2742640), (10, 2194112), (16, 1371320), (20, 1097056), (32, 685660), (40, 548528), (64, 342830), (80, 274264), (128, 171415), (160, 137132), (320, 68566), (640, 34283)]