21352716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7703}}^1$

素因数の和:7731

約数の個数: 72

約数和(自身を含む): 67302144

約数和(自身を除く): 45949428

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7703, 15406, 23109, 30812, 46218, 53921, 69327, 84733, 92436, 107842, 138654, 161763, 169466, 215684, 254199, 277308, 323526, 338932, 485289, 508398, 593131, 647052, 762597, 970578, 1016796, 1186262, 1525194, 1779393, 1941156, 2372524, 3050388, 3558786, 5338179, 7117572, 10676358, 21352716]

約数ペア:

[(1, 21352716), (2, 10676358), (3, 7117572), (4, 5338179), (6, 3558786), (7, 3050388), (9, 2372524), (11, 1941156), (12, 1779393), (14, 1525194), (18, 1186262), (21, 1016796), (22, 970578), (28, 762597), (33, 647052), (36, 593131), (42, 508398), (44, 485289), (63, 338932), (66, 323526), (77, 277308), (84, 254199), (99, 215684), (126, 169466), (132, 161763), (154, 138654), (198, 107842), (231, 92436), (252, 84733), (308, 69327), (396, 53921), (462, 46218), (693, 30812), (924, 23109), (1386, 15406), (2772, 7703)]