21970612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12569}}^1$

素因数の和:12615

約数の個数: 24

約数和(自身を含む): 42235200

約数和(自身を除く): 20264588

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12569, 25138, 50276, 238811, 289087, 477622, 578174, 955244, 1156348, 5492653, 10985306, 21970612]

約数ペア:

[(1, 21970612), (2, 10985306), (4, 5492653), (19, 1156348), (23, 955244), (38, 578174), (46, 477622), (76, 289087), (92, 238811), (437, 50276), (874, 25138), (1748, 12569)]