21686070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2791}}^1$

素因数の和:2845

約数の個数: 64

約数和(自身を含む): 61111296

約数和(自身を除く): 39425226

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 2791, 3885, 5582, 7770, 8373, 13955, 16746, 19537, 27910, 39074, 41865, 58611, 83730, 97685, 103267, 117222, 195370, 206534, 293055, 309801, 516335, 586110, 619602, 722869, 1032670, 1445738, 1549005, 2168607, 3098010, 3614345, 4337214, 7228690, 10843035, 21686070]

約数ペア:

[(1, 21686070), (2, 10843035), (3, 7228690), (5, 4337214), (6, 3614345), (7, 3098010), (10, 2168607), (14, 1549005), (15, 1445738), (21, 1032670), (30, 722869), (35, 619602), (37, 586110), (42, 516335), (70, 309801), (74, 293055), (105, 206534), (111, 195370), (185, 117222), (210, 103267), (222, 97685), (259, 83730), (370, 58611), (518, 41865), (555, 39074), (777, 27910), (1110, 19537), (1295, 16746), (1554, 13955), (2590, 8373), (2791, 7770), (3885, 5582)]