21902436045

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{249217}}^1$

素因数の和:249272

約数の個数: 80

約数和(自身を含む): 46318660608

約数和(自身を除く): 24416224563

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 81, 93, 105, 135, 155, 189, 217, 279, 315, 405, 465, 567, 651, 837, 945, 1085, 1395, 1953, 2511, 2835, 3255, 4185, 5859, 9765, 12555, 17577, 29295, 87885, 249217, 747651, 1246085, 1744519, 2242953, 3738255, 5233557, 6728859, 7725727, 8722595, 11214765, 15700671, 20186577, 23177181, 26167785, 33644295, 38628635, 47102013, 54080089, 69531543, 78503355, 100932885, 115885905, 141306039, 162240267, 208594629, 235510065, 270400445, 347657715, 486720801, 625783887, 706530195, 811201335, 1042973145, 1460162403, 2433604005, 3128919435, 4380487209, 7300812015, 21902436045]

約数ペア:

[(1, 21902436045), (3, 7300812015), (5, 4380487209), (7, 3128919435), (9, 2433604005), (15, 1460162403), (21, 1042973145), (27, 811201335), (31, 706530195), (35, 625783887), (45, 486720801), (63, 347657715), (81, 270400445), (93, 235510065), (105, 208594629), (135, 162240267), (155, 141306039), (189, 115885905), (217, 100932885), (279, 78503355), (315, 69531543), (405, 54080089), (465, 47102013), (567, 38628635), (651, 33644295), (837, 26167785), (945, 23177181), (1085, 20186577), (1395, 15700671), (1953, 11214765), (2511, 8722595), (2835, 7725727), (3255, 6728859), (4185, 5233557), (5859, 3738255), (9765, 2242953), (12555, 1744519), (17577, 1246085), (29295, 747651), (87885, 249217)]