21533148

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:353

約数の個数: 144

約数和(自身を含む): 70160160

約数和(自身を除く): 48627012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 84, 91, 98, 108, 117, 126, 147, 156, 182, 189, 196, 234, 252, 273, 294, 313, 351, 364, 378, 441, 468, 546, 588, 626, 637, 702, 756, 819, 882, 939, 1092, 1252, 1274, 1323, 1404, 1638, 1764, 1878, 1911, 2191, 2457, 2548, 2646, 2817, 3276, 3756, 3822, 4069, 4382, 4914, 5292, 5634, 5733, 6573, 7644, 8138, 8451, 8764, 9828, 11268, 11466, 12207, 13146, 15337, 16276, 16902, 17199, 19719, 22932, 24414, 26292, 28483, 30674, 33804, 34398, 36621, 39438, 46011, 48828, 56966, 59157, 61348, 68796, 73242, 78876, 85449, 92022, 109863, 113932, 118314, 138033, 146484, 170898, 184044, 199381, 219726, 236628, 256347, 276066, 341796, 398762, 414099, 439452, 512694, 552132, 598143, 769041, 797524, 828198, 1025388, 1196286, 1538082, 1656396, 1794429, 2392572, 3076164, 3588858, 5383287, 7177716, 10766574, 21533148]

約数ペア:

[(1, 21533148), (2, 10766574), (3, 7177716), (4, 5383287), (6, 3588858), (7, 3076164), (9, 2392572), (12, 1794429), (13, 1656396), (14, 1538082), (18, 1196286), (21, 1025388), (26, 828198), (27, 797524), (28, 769041), (36, 598143), (39, 552132), (42, 512694), (49, 439452), (52, 414099), (54, 398762), (63, 341796), (78, 276066), (84, 256347), (91, 236628), (98, 219726), (108, 199381), (117, 184044), (126, 170898), (147, 146484), (156, 138033), (182, 118314), (189, 113932), (196, 109863), (234, 92022), (252, 85449), (273, 78876), (294, 73242), (313, 68796), (351, 61348), (364, 59157), (378, 56966), (441, 48828), (468, 46011), (546, 39438), (588, 36621), (626, 34398), (637, 33804), (702, 30674), (756, 28483), (819, 26292), (882, 24414), (939, 22932), (1092, 19719), (1252, 17199), (1274, 16902), (1323, 16276), (1404, 15337), (1638, 13146), (1764, 12207), (1878, 11466), (1911, 11268), (2191, 9828), (2457, 8764), (2548, 8451), (2646, 8138), (2817, 7644), (3276, 6573), (3756, 5733), (3822, 5634), (4069, 5292), (4382, 4914)]