21236964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6833}}^1$

素因数の和:6884

約数の個数: 48

約数和(自身を含む): 58171008

約数和(自身を除く): 36934044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6833, 13666, 20499, 27332, 40998, 47831, 81996, 95662, 143493, 191324, 252821, 286986, 505642, 573972, 758463, 1011284, 1516926, 1769747, 3033852, 3539494, 5309241, 7078988, 10618482, 21236964]

約数ペア:

[(1, 21236964), (2, 10618482), (3, 7078988), (4, 5309241), (6, 3539494), (7, 3033852), (12, 1769747), (14, 1516926), (21, 1011284), (28, 758463), (37, 573972), (42, 505642), (74, 286986), (84, 252821), (111, 191324), (148, 143493), (222, 95662), (259, 81996), (444, 47831), (518, 40998), (777, 27332), (1036, 20499), (1554, 13666), (3108, 6833)]