21071226

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 27399174

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 101, 109, 174, 202, 218, 303, 319, 327, 606, 638, 654, 957, 1111, 1199, 1914, 2222, 2398, 2929, 3161, 3333, 3597, 5858, 6322, 6666, 7194, 8787, 9483, 11009, 17574, 18966, 22018, 32219, 33027, 34771, 64438, 66054, 69542, 96657, 104313, 121099, 193314, 208626, 242198, 319261, 363297, 638522, 726594, 957783, 1915566, 3511871, 7023742, 10535613, 21071226]

約数ペア:

[(1, 21071226), (2, 10535613), (3, 7023742), (6, 3511871), (11, 1915566), (22, 957783), (29, 726594), (33, 638522), (58, 363297), (66, 319261), (87, 242198), (101, 208626), (109, 193314), (174, 121099), (202, 104313), (218, 96657), (303, 69542), (319, 66054), (327, 64438), (606, 34771), (638, 33027), (654, 32219), (957, 22018), (1111, 18966), (1199, 17574), (1914, 11009), (2222, 9483), (2398, 8787), (2929, 7194), (3161, 6666), (3333, 6322), (3597, 5858)]