21329946

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 52272000

約数和(自身を除く): 30942054

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 149, 198, 241, 297, 298, 447, 482, 594, 723, 894, 1341, 1446, 1639, 2169, 2651, 2682, 3278, 4023, 4338, 4917, 5302, 6507, 7953, 8046, 9834, 13014, 14751, 15906, 23859, 29502, 35909, 44253, 47718, 71577, 71818, 88506, 107727, 143154, 215454, 323181, 394999, 646362, 789998, 969543, 1184997, 1939086, 2369994, 3554991, 7109982, 10664973, 21329946]

約数ペア:

[(1, 21329946), (2, 10664973), (3, 7109982), (6, 3554991), (9, 2369994), (11, 1939086), (18, 1184997), (22, 969543), (27, 789998), (33, 646362), (54, 394999), (66, 323181), (99, 215454), (149, 143154), (198, 107727), (241, 88506), (297, 71818), (298, 71577), (447, 47718), (482, 44253), (594, 35909), (723, 29502), (894, 23859), (1341, 15906), (1446, 14751), (1639, 13014), (2169, 9834), (2651, 8046), (2682, 7953), (3278, 6507), (4023, 5302), (4338, 4917)]