21603078

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{853}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 55749120

約数和(自身を除く): 34146042

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 67, 126, 134, 189, 201, 378, 402, 469, 603, 853, 938, 1206, 1407, 1706, 1809, 2559, 2814, 3618, 4221, 5118, 5971, 7677, 8442, 11942, 12663, 15354, 17913, 23031, 25326, 35826, 46062, 53739, 57151, 107478, 114302, 161217, 171453, 322434, 342906, 400057, 514359, 800114, 1028718, 1200171, 1543077, 2400342, 3086154, 3600513, 7201026, 10801539, 21603078]

約数ペア:

[(1, 21603078), (2, 10801539), (3, 7201026), (6, 3600513), (7, 3086154), (9, 2400342), (14, 1543077), (18, 1200171), (21, 1028718), (27, 800114), (42, 514359), (54, 400057), (63, 342906), (67, 322434), (126, 171453), (134, 161217), (189, 114302), (201, 107478), (378, 57151), (402, 53739), (469, 46062), (603, 35826), (853, 25326), (938, 23031), (1206, 17913), (1407, 15354), (1706, 12663), (1809, 11942), (2559, 8442), (2814, 7677), (3618, 5971), (4221, 5118)]