21738750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 160

約数和(自身を含む): 64779264

約数和(自身を除く): 43040514

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 25, 30, 31, 33, 34, 50, 51, 55, 62, 66, 75, 85, 93, 102, 110, 125, 150, 155, 165, 170, 186, 187, 250, 255, 275, 310, 330, 341, 374, 375, 425, 465, 510, 527, 550, 561, 625, 682, 750, 775, 825, 850, 930, 935, 1023, 1054, 1122, 1250, 1275, 1375, 1550, 1581, 1650, 1705, 1870, 1875, 2046, 2125, 2325, 2550, 2635, 2750, 2805, 3162, 3410, 3750, 3875, 4125, 4250, 4650, 4675, 5115, 5270, 5610, 5797, 6375, 6875, 7750, 7905, 8250, 8525, 9350, 10230, 10625, 11594, 11625, 12750, 13175, 13750, 14025, 15810, 17050, 17391, 19375, 20625, 21250, 23250, 23375, 25575, 26350, 28050, 28985, 31875, 34782, 38750, 39525, 41250, 42625, 46750, 51150, 57970, 58125, 63750, 65875, 70125, 79050, 85250, 86955, 116250, 116875, 127875, 131750, 140250, 144925, 173910, 197625, 213125, 233750, 255750, 289850, 329375, 350625, 395250, 426250, 434775, 639375, 658750, 701250, 724625, 869550, 988125, 1278750, 1449250, 1976250, 2173875, 3623125, 4347750, 7246250, 10869375, 21738750]

約数ペア:

[(1, 21738750), (2, 10869375), (3, 7246250), (5, 4347750), (6, 3623125), (10, 2173875), (11, 1976250), (15, 1449250), (17, 1278750), (22, 988125), (25, 869550), (30, 724625), (31, 701250), (33, 658750), (34, 639375), (50, 434775), (51, 426250), (55, 395250), (62, 350625), (66, 329375), (75, 289850), (85, 255750), (93, 233750), (102, 213125), (110, 197625), (125, 173910), (150, 144925), (155, 140250), (165, 131750), (170, 127875), (186, 116875), (187, 116250), (250, 86955), (255, 85250), (275, 79050), (310, 70125), (330, 65875), (341, 63750), (374, 58125), (375, 57970), (425, 51150), (465, 46750), (510, 42625), (527, 41250), (550, 39525), (561, 38750), (625, 34782), (682, 31875), (750, 28985), (775, 28050), (825, 26350), (850, 25575), (930, 23375), (935, 23250), (1023, 21250), (1054, 20625), (1122, 19375), (1250, 17391), (1275, 17050), (1375, 15810), (1550, 14025), (1581, 13750), (1650, 13175), (1705, 12750), (1870, 11625), (1875, 11594), (2046, 10625), (2125, 10230), (2325, 9350), (2550, 8525), (2635, 8250), (2750, 7905), (2805, 7750), (3162, 6875), (3410, 6375), (3750, 5797), (3875, 5610), (4125, 5270), (4250, 5115), (4650, 4675)]