21780196308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{15889}}^1$

素因数の和:16042

約数の個数: 144

約数和(自身を含む): 61946211600

約数和(自身を除く): 40166015292

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 101, 116, 117, 156, 174, 202, 234, 261, 303, 348, 377, 404, 468, 522, 606, 754, 909, 1044, 1131, 1212, 1313, 1508, 1818, 2262, 2626, 2929, 3393, 3636, 3939, 4524, 5252, 5858, 6786, 7878, 8787, 11716, 11817, 13572, 15756, 15889, 17574, 23634, 26361, 31778, 35148, 38077, 47268, 47667, 52722, 63556, 76154, 95334, 105444, 114231, 143001, 152308, 190668, 206557, 228462, 286002, 342693, 413114, 456924, 460781, 572004, 619671, 685386, 826228, 921562, 1239342, 1370772, 1382343, 1604789, 1843124, 1859013, 2478684, 2764686, 3209578, 3718026, 4147029, 4814367, 5529372, 5990153, 6419156, 7436052, 8294058, 9628734, 11980306, 14443101, 16588116, 17970459, 19257468, 20862257, 23960612, 28886202, 35940918, 41724514, 46538881, 53911377, 57772404, 62586771, 71881836, 83449028, 93077762, 107822754, 125173542, 139616643, 186155524, 187760313, 215645508, 250347084, 279233286, 375520626, 418849929, 558466572, 605005453, 751041252, 837699858, 1210010906, 1675399716, 1815016359, 2420021812, 3630032718, 5445049077, 7260065436, 10890098154, 21780196308]

約数ペア:

[(1, 21780196308), (2, 10890098154), (3, 7260065436), (4, 5445049077), (6, 3630032718), (9, 2420021812), (12, 1815016359), (13, 1675399716), (18, 1210010906), (26, 837699858), (29, 751041252), (36, 605005453), (39, 558466572), (52, 418849929), (58, 375520626), (78, 279233286), (87, 250347084), (101, 215645508), (116, 187760313), (117, 186155524), (156, 139616643), (174, 125173542), (202, 107822754), (234, 93077762), (261, 83449028), (303, 71881836), (348, 62586771), (377, 57772404), (404, 53911377), (468, 46538881), (522, 41724514), (606, 35940918), (754, 28886202), (909, 23960612), (1044, 20862257), (1131, 19257468), (1212, 17970459), (1313, 16588116), (1508, 14443101), (1818, 11980306), (2262, 9628734), (2626, 8294058), (2929, 7436052), (3393, 6419156), (3636, 5990153), (3939, 5529372), (4524, 4814367), (5252, 4147029), (5858, 3718026), (6786, 3209578), (7878, 2764686), (8787, 2478684), (11716, 1859013), (11817, 1843124), (13572, 1604789), (15756, 1382343), (15889, 1370772), (17574, 1239342), (23634, 921562), (26361, 826228), (31778, 685386), (35148, 619671), (38077, 572004), (47268, 460781), (47667, 456924), (52722, 413114), (63556, 342693), (76154, 286002), (95334, 228462), (105444, 206557), (114231, 190668), (143001, 152308)]