21125652275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{2221}}^1$

素因数の和:2401

約数の個数: 96

約数和(自身を含む): 33420444288

約数和(自身を除く): 12294792013

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 113, 175, 185, 259, 325, 455, 481, 565, 791, 925, 1295, 1469, 2221, 2275, 2405, 2825, 3367, 3955, 4181, 6475, 7345, 10283, 11105, 12025, 15547, 16835, 19775, 20905, 28873, 29267, 36725, 51415, 54353, 55525, 77735, 82177, 84175, 104525, 144365, 146335, 202111, 250973, 257075, 271765, 380471, 388675, 410885, 575239, 721825, 731675, 1010555, 1068301, 1254865, 1358825, 1756811, 1902355, 2054425, 2876195, 3262649, 5052775, 5341505, 6274325, 7478107, 8784055, 9286001, 9511775, 14380975, 16313245, 22838543, 26707525, 37390535, 43920275, 46430005, 65002007, 81566225, 114192715, 120718013, 186952675, 232150025, 325010035, 570963575, 603590065, 845026091, 1625050175, 3017950325, 4225130455, 21125652275]

約数ペア:

[(1, 21125652275), (5, 4225130455), (7, 3017950325), (13, 1625050175), (25, 845026091), (35, 603590065), (37, 570963575), (65, 325010035), (91, 232150025), (113, 186952675), (175, 120718013), (185, 114192715), (259, 81566225), (325, 65002007), (455, 46430005), (481, 43920275), (565, 37390535), (791, 26707525), (925, 22838543), (1295, 16313245), (1469, 14380975), (2221, 9511775), (2275, 9286001), (2405, 8784055), (2825, 7478107), (3367, 6274325), (3955, 5341505), (4181, 5052775), (6475, 3262649), (7345, 2876195), (10283, 2054425), (11105, 1902355), (12025, 1756811), (15547, 1358825), (16835, 1254865), (19775, 1068301), (20905, 1010555), (28873, 731675), (29267, 721825), (36725, 575239), (51415, 410885), (54353, 388675), (55525, 380471), (77735, 271765), (82177, 257075), (84175, 250973), (104525, 202111), (144365, 146335)]