21086651898

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{13553}}^1$

素因数の和:13744

約数の個数: 96

約数和(自身を含む): 50471300880

約数和(自身を除く): 29384648982

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 109, 117, 122, 183, 218, 234, 327, 366, 549, 654, 793, 981, 1098, 1417, 1586, 1962, 2379, 2834, 4251, 4758, 6649, 7137, 8502, 12753, 13298, 13553, 14274, 19947, 25506, 27106, 39894, 40659, 59841, 81318, 86437, 119682, 121977, 172874, 176189, 243954, 259311, 352378, 518622, 528567, 777933, 826733, 1057134, 1477277, 1555866, 1585701, 1653466, 2480199, 2954554, 3171402, 4431831, 4960398, 7440597, 8863662, 10747529, 13295493, 14881194, 19204601, 21495058, 26590986, 32242587, 38409202, 57613803, 64485174, 90113897, 96727761, 115227606, 172841409, 180227794, 193455522, 270341691, 345682818, 540683382, 811025073, 1171480661, 1622050146, 2342961322, 3514441983, 7028883966, 10543325949, 21086651898]

約数ペア:

[(1, 21086651898), (2, 10543325949), (3, 7028883966), (6, 3514441983), (9, 2342961322), (13, 1622050146), (18, 1171480661), (26, 811025073), (39, 540683382), (61, 345682818), (78, 270341691), (109, 193455522), (117, 180227794), (122, 172841409), (183, 115227606), (218, 96727761), (234, 90113897), (327, 64485174), (366, 57613803), (549, 38409202), (654, 32242587), (793, 26590986), (981, 21495058), (1098, 19204601), (1417, 14881194), (1586, 13295493), (1962, 10747529), (2379, 8863662), (2834, 7440597), (4251, 4960398), (4758, 4431831), (6649, 3171402), (7137, 2954554), (8502, 2480199), (12753, 1653466), (13298, 1585701), (13553, 1555866), (14274, 1477277), (19947, 1057134), (25506, 826733), (27106, 777933), (39894, 528567), (40659, 518622), (59841, 352378), (81318, 259311), (86437, 243954), (119682, 176189), (121977, 172874)]