21889224

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:520

約数の個数: 128

約数和(自身を含む): 71884800

約数和(自身を除く): 49995576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 54, 56, 62, 63, 72, 84, 93, 108, 124, 126, 168, 186, 189, 216, 217, 248, 252, 279, 372, 378, 434, 467, 504, 558, 651, 744, 756, 837, 868, 934, 1116, 1302, 1401, 1512, 1674, 1736, 1868, 1953, 2232, 2604, 2802, 3269, 3348, 3736, 3906, 4203, 5208, 5604, 5859, 6538, 6696, 7812, 8406, 9807, 11208, 11718, 12609, 13076, 14477, 15624, 16812, 19614, 23436, 25218, 26152, 28954, 29421, 33624, 39228, 43431, 46872, 50436, 57908, 58842, 78456, 86862, 88263, 100872, 101339, 115816, 117684, 130293, 173724, 176526, 202678, 235368, 260586, 304017, 347448, 353052, 390879, 405356, 521172, 608034, 706104, 781758, 810712, 912051, 1042344, 1216068, 1563516, 1824102, 2432136, 2736153, 3127032, 3648204, 5472306, 7296408, 10944612, 21889224]

約数ペア:

[(1, 21889224), (2, 10944612), (3, 7296408), (4, 5472306), (6, 3648204), (7, 3127032), (8, 2736153), (9, 2432136), (12, 1824102), (14, 1563516), (18, 1216068), (21, 1042344), (24, 912051), (27, 810712), (28, 781758), (31, 706104), (36, 608034), (42, 521172), (54, 405356), (56, 390879), (62, 353052), (63, 347448), (72, 304017), (84, 260586), (93, 235368), (108, 202678), (124, 176526), (126, 173724), (168, 130293), (186, 117684), (189, 115816), (216, 101339), (217, 100872), (248, 88263), (252, 86862), (279, 78456), (372, 58842), (378, 57908), (434, 50436), (467, 46872), (504, 43431), (558, 39228), (651, 33624), (744, 29421), (756, 28954), (837, 26152), (868, 25218), (934, 23436), (1116, 19614), (1302, 16812), (1401, 15624), (1512, 14477), (1674, 13076), (1736, 12609), (1868, 11718), (1953, 11208), (2232, 9807), (2604, 8406), (2802, 7812), (3269, 6696), (3348, 6538), (3736, 5859), (3906, 5604), (4203, 5208)]