21399312

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{40529}}^1$

素因数の和:40551

約数の個数: 40

約数和(自身を含む): 60308640

約数和(自身を除く): 38909328

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 40529, 81058, 121587, 162116, 243174, 324232, 445819, 486348, 648464, 891638, 972696, 1337457, 1783276, 1945392, 2674914, 3566552, 5349828, 7133104, 10699656, 21399312]

約数ペア:

[(1, 21399312), (2, 10699656), (3, 7133104), (4, 5349828), (6, 3566552), (8, 2674914), (11, 1945392), (12, 1783276), (16, 1337457), (22, 972696), (24, 891638), (33, 648464), (44, 486348), (48, 445819), (66, 324232), (88, 243174), (132, 162116), (176, 121587), (264, 81058), (528, 40529)]