21855438

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 56339712

約数和(自身を除く): 34484274

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 43, 51, 66, 86, 99, 102, 129, 151, 153, 187, 198, 258, 302, 306, 374, 387, 453, 473, 561, 731, 774, 906, 946, 1122, 1359, 1419, 1462, 1661, 1683, 2193, 2567, 2718, 2838, 3322, 3366, 4257, 4386, 4983, 5134, 6493, 6579, 7701, 8041, 8514, 9966, 12986, 13158, 14949, 15402, 16082, 19479, 23103, 24123, 28237, 29898, 38958, 46206, 48246, 56474, 58437, 71423, 72369, 84711, 110381, 116874, 142846, 144738, 169422, 214269, 220762, 254133, 331143, 428538, 508266, 642807, 662286, 993429, 1214191, 1285614, 1986858, 2428382, 3642573, 7285146, 10927719, 21855438]

約数ペア:

[(1, 21855438), (2, 10927719), (3, 7285146), (6, 3642573), (9, 2428382), (11, 1986858), (17, 1285614), (18, 1214191), (22, 993429), (33, 662286), (34, 642807), (43, 508266), (51, 428538), (66, 331143), (86, 254133), (99, 220762), (102, 214269), (129, 169422), (151, 144738), (153, 142846), (187, 116874), (198, 110381), (258, 84711), (302, 72369), (306, 71423), (374, 58437), (387, 56474), (453, 48246), (473, 46206), (561, 38958), (731, 29898), (774, 28237), (906, 24123), (946, 23103), (1122, 19479), (1359, 16082), (1419, 15402), (1462, 14949), (1661, 13158), (1683, 12986), (2193, 9966), (2567, 8514), (2718, 8041), (2838, 7701), (3322, 6579), (3366, 6493), (4257, 5134), (4386, 4983)]