21097267000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{4507}}^1$

素因数の和:4710

約数の個数: 128

約数和(自身を含む): 51308974080

約数和(自身を除く): 30211707080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 151, 155, 200, 248, 250, 302, 310, 500, 604, 620, 755, 775, 1000, 1208, 1240, 1510, 1550, 3020, 3100, 3775, 3875, 4507, 4681, 6040, 6200, 7550, 7750, 9014, 9362, 15100, 15500, 18028, 18724, 18875, 22535, 23405, 30200, 31000, 36056, 37448, 37750, 45070, 46810, 75500, 90140, 93620, 112675, 117025, 139717, 151000, 180280, 187240, 225350, 234050, 279434, 450700, 468100, 558868, 563375, 585125, 680557, 698585, 901400, 936200, 1117736, 1126750, 1170250, 1361114, 1397170, 2253500, 2340500, 2722228, 2794340, 3402785, 3492925, 4507000, 4681000, 5444456, 5588680, 6805570, 6985850, 13611140, 13971700, 17013925, 17464625, 21097267, 27222280, 27943400, 34027850, 34929250, 42194534, 68055700, 69858500, 84389068, 85069625, 105486335, 136111400, 139717000, 168778136, 170139250, 210972670, 340278500, 421945340, 527431675, 680557000, 843890680, 1054863350, 2109726700, 2637158375, 4219453400, 5274316750, 10548633500, 21097267000]

約数ペア:

[(1, 21097267000), (2, 10548633500), (4, 5274316750), (5, 4219453400), (8, 2637158375), (10, 2109726700), (20, 1054863350), (25, 843890680), (31, 680557000), (40, 527431675), (50, 421945340), (62, 340278500), (100, 210972670), (124, 170139250), (125, 168778136), (151, 139717000), (155, 136111400), (200, 105486335), (248, 85069625), (250, 84389068), (302, 69858500), (310, 68055700), (500, 42194534), (604, 34929250), (620, 34027850), (755, 27943400), (775, 27222280), (1000, 21097267), (1208, 17464625), (1240, 17013925), (1510, 13971700), (1550, 13611140), (3020, 6985850), (3100, 6805570), (3775, 5588680), (3875, 5444456), (4507, 4681000), (4681, 4507000), (6040, 3492925), (6200, 3402785), (7550, 2794340), (7750, 2722228), (9014, 2340500), (9362, 2253500), (15100, 1397170), (15500, 1361114), (18028, 1170250), (18724, 1126750), (18875, 1117736), (22535, 936200), (23405, 901400), (30200, 698585), (31000, 680557), (36056, 585125), (37448, 563375), (37750, 558868), (45070, 468100), (46810, 450700), (75500, 279434), (90140, 234050), (93620, 225350), (112675, 187240), (117025, 180280), (139717, 151000)]