21886830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^3\times {\mathrm{709}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 66456000

約数和(自身を除く): 44569170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 343, 441, 490, 630, 686, 709, 735, 882, 1029, 1418, 1470, 1715, 2058, 2127, 2205, 3087, 3430, 3545, 4254, 4410, 4963, 5145, 6174, 6381, 7090, 9926, 10290, 10635, 12762, 14889, 15435, 21270, 24815, 29778, 30870, 31905, 34741, 44667, 49630, 63810, 69482, 74445, 89334, 104223, 148890, 173705, 208446, 223335, 243187, 312669, 347410, 446670, 486374, 521115, 625338, 729561, 1042230, 1215935, 1459122, 1563345, 2188683, 2431870, 3126690, 3647805, 4377366, 7295610, 10943415, 21886830]

約数ペア:

[(1, 21886830), (2, 10943415), (3, 7295610), (5, 4377366), (6, 3647805), (7, 3126690), (9, 2431870), (10, 2188683), (14, 1563345), (15, 1459122), (18, 1215935), (21, 1042230), (30, 729561), (35, 625338), (42, 521115), (45, 486374), (49, 446670), (63, 347410), (70, 312669), (90, 243187), (98, 223335), (105, 208446), (126, 173705), (147, 148890), (210, 104223), (245, 89334), (294, 74445), (315, 69482), (343, 63810), (441, 49630), (490, 44667), (630, 34741), (686, 31905), (709, 30870), (735, 29778), (882, 24815), (1029, 21270), (1418, 15435), (1470, 14889), (1715, 12762), (2058, 10635), (2127, 10290), (2205, 9926), (3087, 7090), (3430, 6381), (3545, 6174), (4254, 5145), (4410, 4963)]