21167768154

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{13121}}^1$

素因数の和:13232

約数の個数: 96

約数和(自身を含む): 48180204864

約数和(自身を除く): 27012436710

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 43, 74, 78, 86, 111, 129, 169, 222, 258, 338, 481, 507, 559, 962, 1014, 1118, 1443, 1591, 1677, 2886, 3182, 3354, 4773, 6253, 7267, 9546, 12506, 13121, 14534, 18759, 20683, 21801, 26242, 37518, 39363, 41366, 43602, 62049, 78726, 124098, 170573, 268879, 341146, 485477, 511719, 537758, 564203, 806637, 970954, 1023438, 1128406, 1456431, 1613274, 1692609, 2217449, 2912862, 3385218, 4434898, 6311201, 6652347, 7334639, 12622402, 13304694, 14669278, 18933603, 20875511, 22003917, 37867206, 41751022, 44007834, 62626533, 82045613, 95350307, 125253066, 164091226, 190700614, 246136839, 271381643, 286050921, 492273678, 542763286, 572101842, 814144929, 1628289858, 3527961359, 7055922718, 10583884077, 21167768154]

約数ペア:

[(1, 21167768154), (2, 10583884077), (3, 7055922718), (6, 3527961359), (13, 1628289858), (26, 814144929), (37, 572101842), (39, 542763286), (43, 492273678), (74, 286050921), (78, 271381643), (86, 246136839), (111, 190700614), (129, 164091226), (169, 125253066), (222, 95350307), (258, 82045613), (338, 62626533), (481, 44007834), (507, 41751022), (559, 37867206), (962, 22003917), (1014, 20875511), (1118, 18933603), (1443, 14669278), (1591, 13304694), (1677, 12622402), (2886, 7334639), (3182, 6652347), (3354, 6311201), (4773, 4434898), (6253, 3385218), (7267, 2912862), (9546, 2217449), (12506, 1692609), (13121, 1613274), (14534, 1456431), (18759, 1128406), (20683, 1023438), (21801, 970954), (26242, 806637), (37518, 564203), (39363, 537758), (41366, 511719), (43602, 485477), (62049, 341146), (78726, 268879), (124098, 170573)]