21638492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12379}}^1$

素因数の和:12425

約数の個数: 24

約数和(自身を含む): 41596800

約数和(自身を除く): 19958308

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12379, 24758, 49516, 235201, 284717, 470402, 569434, 940804, 1138868, 5409623, 10819246, 21638492]

約数ペア:

[(1, 21638492), (2, 10819246), (4, 5409623), (19, 1138868), (23, 940804), (38, 569434), (46, 470402), (76, 284717), (92, 235201), (437, 49516), (874, 24758), (1748, 12379)]