21360353

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{733}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 25648896

約数和(自身を除く): 4288543

約数列:

[1, 7, 23, 161, 181, 733, 1267, 4163, 5131, 16859, 29141, 118013, 132673, 928711, 3051479, 21360353]

約数ペア:

[(1, 21360353), (7, 3051479), (23, 928711), (161, 132673), (181, 118013), (733, 29141), (1267, 16859), (4163, 5131)]