21243742440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{53051}}^1$

素因数の和:53183

約数の個数: 128

約数和(自身を含む): 66005176320

約数和(自身を除く): 44761433880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 71, 94, 120, 141, 142, 188, 213, 235, 282, 284, 355, 376, 426, 470, 564, 568, 705, 710, 852, 940, 1065, 1128, 1410, 1420, 1704, 1880, 2130, 2820, 2840, 3337, 4260, 5640, 6674, 8520, 10011, 13348, 16685, 20022, 26696, 33370, 40044, 50055, 53051, 66740, 80088, 100110, 106102, 133480, 159153, 200220, 212204, 265255, 318306, 400440, 424408, 530510, 636612, 795765, 1061020, 1273224, 1591530, 2122040, 2493397, 3183060, 3766621, 4986794, 6366120, 7480191, 7533242, 9973588, 11299863, 12466985, 14960382, 15066484, 18833105, 19947176, 22599726, 24933970, 29920764, 30132968, 37400955, 37666210, 45199452, 49867940, 56499315, 59841528, 74801910, 75332420, 90398904, 99735880, 112998630, 149603820, 150664840, 177031187, 225997260, 299207640, 354062374, 451994520, 531093561, 708124748, 885155935, 1062187122, 1416249496, 1770311870, 2124374244, 2655467805, 3540623740, 4248748488, 5310935610, 7081247480, 10621871220, 21243742440]

約数ペア:

[(1, 21243742440), (2, 10621871220), (3, 7081247480), (4, 5310935610), (5, 4248748488), (6, 3540623740), (8, 2655467805), (10, 2124374244), (12, 1770311870), (15, 1416249496), (20, 1062187122), (24, 885155935), (30, 708124748), (40, 531093561), (47, 451994520), (60, 354062374), (71, 299207640), (94, 225997260), (120, 177031187), (141, 150664840), (142, 149603820), (188, 112998630), (213, 99735880), (235, 90398904), (282, 75332420), (284, 74801910), (355, 59841528), (376, 56499315), (426, 49867940), (470, 45199452), (564, 37666210), (568, 37400955), (705, 30132968), (710, 29920764), (852, 24933970), (940, 22599726), (1065, 19947176), (1128, 18833105), (1410, 15066484), (1420, 14960382), (1704, 12466985), (1880, 11299863), (2130, 9973588), (2820, 7533242), (2840, 7480191), (3337, 6366120), (4260, 4986794), (5640, 3766621), (6674, 3183060), (8520, 2493397), (10011, 2122040), (13348, 1591530), (16685, 1273224), (20022, 1061020), (26696, 795765), (33370, 636612), (40044, 530510), (50055, 424408), (53051, 400440), (66740, 318306), (80088, 265255), (100110, 212204), (106102, 200220), (133480, 159153)]