21599298

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{907}}^1$

素因数の和:938

約数の個数: 72

約数和(自身を含む): 56517552

約数和(自身を除く): 34918254

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 243, 294, 378, 441, 486, 567, 882, 907, 1134, 1323, 1701, 1814, 2646, 2721, 3402, 3969, 5442, 6349, 7938, 8163, 11907, 12698, 16326, 19047, 23814, 24489, 38094, 44443, 48978, 57141, 73467, 88886, 114282, 133329, 146934, 171423, 220401, 266658, 342846, 399987, 440802, 514269, 799974, 1028538, 1199961, 1542807, 2399922, 3085614, 3599883, 7199766, 10799649, 21599298]

約数ペア:

[(1, 21599298), (2, 10799649), (3, 7199766), (6, 3599883), (7, 3085614), (9, 2399922), (14, 1542807), (18, 1199961), (21, 1028538), (27, 799974), (42, 514269), (49, 440802), (54, 399987), (63, 342846), (81, 266658), (98, 220401), (126, 171423), (147, 146934), (162, 133329), (189, 114282), (243, 88886), (294, 73467), (378, 57141), (441, 48978), (486, 44443), (567, 38094), (882, 24489), (907, 23814), (1134, 19047), (1323, 16326), (1701, 12698), (1814, 11907), (2646, 8163), (2721, 7938), (3402, 6349), (3969, 5442)]