21829445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 31124736

約数和(自身を除く): 9295291

約数列:

[1, 5, 11, 17, 37, 55, 85, 185, 187, 407, 629, 631, 935, 2035, 3145, 3155, 6919, 6941, 10727, 23347, 34595, 34705, 53635, 116735, 117997, 256817, 396899, 589985, 1284085, 1984495, 4365889, 21829445]

約数ペア:

[(1, 21829445), (5, 4365889), (11, 1984495), (17, 1284085), (37, 589985), (55, 396899), (85, 256817), (185, 117997), (187, 116735), (407, 53635), (629, 34705), (631, 34595), (935, 23347), (2035, 10727), (3145, 6941), (3155, 6919)]