21837252

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 52859520

約数和(自身を除く): 31022268

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 137, 148, 222, 274, 359, 411, 444, 548, 718, 822, 1077, 1436, 1644, 2154, 4308, 5069, 10138, 13283, 15207, 20276, 26566, 30414, 39849, 49183, 53132, 60828, 79698, 98366, 147549, 159396, 196732, 295098, 590196, 1819771, 3639542, 5459313, 7279084, 10918626, 21837252]

約数ペア:

[(1, 21837252), (2, 10918626), (3, 7279084), (4, 5459313), (6, 3639542), (12, 1819771), (37, 590196), (74, 295098), (111, 196732), (137, 159396), (148, 147549), (222, 98366), (274, 79698), (359, 60828), (411, 53132), (444, 49183), (548, 39849), (718, 30414), (822, 26566), (1077, 20276), (1436, 15207), (1644, 13283), (2154, 10138), (4308, 5069)]