21898188

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1733}}^1$

素因数の和:1765

約数の個数: 72

約数和(自身を含む): 61855248

約数和(自身を除く): 39957060

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 1733, 2106, 3159, 3466, 4212, 5199, 6318, 6932, 10398, 12636, 15597, 20796, 22529, 31194, 45058, 46791, 62388, 67587, 90116, 93582, 135174, 140373, 187164, 202761, 270348, 280746, 405522, 421119, 561492, 608283, 811044, 842238, 1216566, 1684476, 1824849, 2433132, 3649698, 5474547, 7299396, 10949094, 21898188]

約数ペア:

[(1, 21898188), (2, 10949094), (3, 7299396), (4, 5474547), (6, 3649698), (9, 2433132), (12, 1824849), (13, 1684476), (18, 1216566), (26, 842238), (27, 811044), (36, 608283), (39, 561492), (52, 421119), (54, 405522), (78, 280746), (81, 270348), (108, 202761), (117, 187164), (156, 140373), (162, 135174), (234, 93582), (243, 90116), (324, 67587), (351, 62388), (468, 46791), (486, 45058), (702, 31194), (972, 22529), (1053, 20796), (1404, 15597), (1733, 12636), (2106, 10398), (3159, 6932), (3466, 6318), (4212, 5199)]