21251208

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{797}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 58605120

約数和(自身を除く): 37353912

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 101, 132, 202, 264, 303, 404, 606, 797, 808, 1111, 1212, 1594, 2222, 2391, 2424, 3188, 3333, 4444, 4782, 6376, 6666, 8767, 8888, 9564, 13332, 17534, 19128, 26301, 26664, 35068, 52602, 70136, 80497, 105204, 160994, 210408, 241491, 321988, 482982, 643976, 885467, 965964, 1770934, 1931928, 2656401, 3541868, 5312802, 7083736, 10625604, 21251208]

約数ペア:

[(1, 21251208), (2, 10625604), (3, 7083736), (4, 5312802), (6, 3541868), (8, 2656401), (11, 1931928), (12, 1770934), (22, 965964), (24, 885467), (33, 643976), (44, 482982), (66, 321988), (88, 241491), (101, 210408), (132, 160994), (202, 105204), (264, 80497), (303, 70136), (404, 52602), (606, 35068), (797, 26664), (808, 26301), (1111, 19128), (1212, 17534), (1594, 13332), (2222, 9564), (2391, 8888), (2424, 8767), (3188, 6666), (3333, 6376), (4444, 4782)]