21701488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43753}}^1$

素因数の和:43792

約数の個数: 20

約数和(自身を含む): 43403968

約数和(自身を除く): 21702480

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43753, 87506, 175012, 350024, 700048, 1356343, 2712686, 5425372, 10850744, 21701488]

約数ペア:

[(1, 21701488), (2, 10850744), (4, 5425372), (8, 2712686), (16, 1356343), (31, 700048), (62, 350024), (124, 175012), (248, 87506), (496, 43753)]