21190681005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{6271}}^1$

素因数の和:6379

約数の個数: 96

約数和(自身を含む): 38785646592

約数和(自身を除く): 17594965587

約数列:

[1, 3, 5, 13, 15, 31, 39, 43, 65, 93, 129, 155, 169, 195, 215, 403, 465, 507, 559, 645, 845, 1209, 1333, 1677, 2015, 2535, 2795, 3999, 5239, 6045, 6271, 6665, 7267, 8385, 15717, 17329, 18813, 19995, 21801, 26195, 31355, 36335, 51987, 78585, 81523, 86645, 94065, 109005, 194401, 225277, 244569, 259935, 269653, 407615, 583203, 675831, 808959, 972005, 1059799, 1126385, 1222845, 1348265, 2527213, 2916015, 3179397, 3379155, 3505489, 4044795, 5298995, 7581639, 8359243, 10516467, 12636065, 15896985, 17527445, 25077729, 32853769, 37908195, 41796215, 45571357, 52582335, 98561307, 108670159, 125388645, 136714071, 164268845, 227856785, 326010477, 492806535, 543350795, 683570355, 1412712067, 1630052385, 4238136201, 7063560335, 21190681005]

約数ペア:

[(1, 21190681005), (3, 7063560335), (5, 4238136201), (13, 1630052385), (15, 1412712067), (31, 683570355), (39, 543350795), (43, 492806535), (65, 326010477), (93, 227856785), (129, 164268845), (155, 136714071), (169, 125388645), (195, 108670159), (215, 98561307), (403, 52582335), (465, 45571357), (507, 41796215), (559, 37908195), (645, 32853769), (845, 25077729), (1209, 17527445), (1333, 15896985), (1677, 12636065), (2015, 10516467), (2535, 8359243), (2795, 7581639), (3999, 5298995), (5239, 4044795), (6045, 3505489), (6271, 3379155), (6665, 3179397), (7267, 2916015), (8385, 2527213), (15717, 1348265), (17329, 1222845), (18813, 1126385), (19995, 1059799), (21801, 972005), (26195, 808959), (31355, 675831), (36335, 583203), (51987, 407615), (78585, 269653), (81523, 259935), (86645, 244569), (94065, 225277), (109005, 194401)]