21334266

素因数分解:

$2^1\times 3^4\times {\mathrm{79}}^1\times {\mathrm{1667}}^1$

素因数の和:1760

約数の個数: 40

約数和(自身を含む): 48438720

約数和(自身を除く): 27104454

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 474, 711, 1422, 1667, 2133, 3334, 4266, 5001, 6399, 10002, 12798, 15003, 30006, 45009, 90018, 131693, 135027, 263386, 270054, 395079, 790158, 1185237, 2370474, 3555711, 7111422, 10667133, 21334266]

約数ペア:

[(1, 21334266), (2, 10667133), (3, 7111422), (6, 3555711), (9, 2370474), (18, 1185237), (27, 790158), (54, 395079), (79, 270054), (81, 263386), (158, 135027), (162, 131693), (237, 90018), (474, 45009), (711, 30006), (1422, 15003), (1667, 12798), (2133, 10002), (3334, 6399), (4266, 5001)]