21717828

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 62375040

約数和(自身を除く): 40657212

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 101, 108, 132, 181, 198, 202, 297, 303, 362, 396, 404, 543, 594, 606, 724, 909, 1086, 1111, 1188, 1212, 1629, 1818, 1991, 2172, 2222, 2727, 3258, 3333, 3636, 3982, 4444, 4887, 5454, 5973, 6516, 6666, 7964, 9774, 9999, 10908, 11946, 13332, 17919, 18281, 19548, 19998, 23892, 29997, 35838, 36562, 39996, 53757, 54843, 59994, 71676, 73124, 107514, 109686, 119988, 164529, 201091, 215028, 219372, 329058, 402182, 493587, 603273, 658116, 804364, 987174, 1206546, 1809819, 1974348, 2413092, 3619638, 5429457, 7239276, 10858914, 21717828]

約数ペア:

[(1, 21717828), (2, 10858914), (3, 7239276), (4, 5429457), (6, 3619638), (9, 2413092), (11, 1974348), (12, 1809819), (18, 1206546), (22, 987174), (27, 804364), (33, 658116), (36, 603273), (44, 493587), (54, 402182), (66, 329058), (99, 219372), (101, 215028), (108, 201091), (132, 164529), (181, 119988), (198, 109686), (202, 107514), (297, 73124), (303, 71676), (362, 59994), (396, 54843), (404, 53757), (543, 39996), (594, 36562), (606, 35838), (724, 29997), (909, 23892), (1086, 19998), (1111, 19548), (1188, 18281), (1212, 17919), (1629, 13332), (1818, 11946), (1991, 10908), (2172, 9999), (2222, 9774), (2727, 7964), (3258, 6666), (3333, 6516), (3636, 5973), (3982, 5454), (4444, 4887)]