21346578

素因数分解:

$2^1\times 3^6\times {\mathrm{11}}^4$

素因数の和:64

約数の個数: 70

約数和(自身を含む): 52808295

約数和(自身を除く): 31461717

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 121, 162, 198, 242, 243, 297, 363, 486, 594, 726, 729, 891, 1089, 1331, 1458, 1782, 2178, 2662, 2673, 3267, 3993, 5346, 6534, 7986, 8019, 9801, 11979, 14641, 16038, 19602, 23958, 29282, 29403, 35937, 43923, 58806, 71874, 87846, 88209, 107811, 131769, 176418, 215622, 263538, 323433, 395307, 646866, 790614, 970299, 1185921, 1940598, 2371842, 3557763, 7115526, 10673289, 21346578]

約数ペア:

[(1, 21346578), (2, 10673289), (3, 7115526), (6, 3557763), (9, 2371842), (11, 1940598), (18, 1185921), (22, 970299), (27, 790614), (33, 646866), (54, 395307), (66, 323433), (81, 263538), (99, 215622), (121, 176418), (162, 131769), (198, 107811), (242, 88209), (243, 87846), (297, 71874), (363, 58806), (486, 43923), (594, 35937), (726, 29403), (729, 29282), (891, 23958), (1089, 19602), (1331, 16038), (1458, 14641), (1782, 11979), (2178, 9801), (2662, 8019), (2673, 7986), (3267, 6534), (3993, 5346)]