21152124

素因数分解:

$2^2\times 3^3\times 7^3\times {\mathrm{571}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 64064000

約数和(自身を除く): 42911876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 343, 378, 441, 571, 588, 686, 756, 882, 1029, 1142, 1323, 1372, 1713, 1764, 2058, 2284, 2646, 3087, 3426, 3997, 4116, 5139, 5292, 6174, 6852, 7994, 9261, 10278, 11991, 12348, 15417, 15988, 18522, 20556, 23982, 27979, 30834, 35973, 37044, 47964, 55958, 61668, 71946, 83937, 107919, 111916, 143892, 167874, 195853, 215838, 251811, 335748, 391706, 431676, 503622, 587559, 755433, 783412, 1007244, 1175118, 1510866, 1762677, 2350236, 3021732, 3525354, 5288031, 7050708, 10576062, 21152124]

約数ペア:

[(1, 21152124), (2, 10576062), (3, 7050708), (4, 5288031), (6, 3525354), (7, 3021732), (9, 2350236), (12, 1762677), (14, 1510866), (18, 1175118), (21, 1007244), (27, 783412), (28, 755433), (36, 587559), (42, 503622), (49, 431676), (54, 391706), (63, 335748), (84, 251811), (98, 215838), (108, 195853), (126, 167874), (147, 143892), (189, 111916), (196, 107919), (252, 83937), (294, 71946), (343, 61668), (378, 55958), (441, 47964), (571, 37044), (588, 35973), (686, 30834), (756, 27979), (882, 23982), (1029, 20556), (1142, 18522), (1323, 15988), (1372, 15417), (1713, 12348), (1764, 11991), (2058, 10278), (2284, 9261), (2646, 7994), (3087, 6852), (3426, 6174), (3997, 5292), (4116, 5139)]