21888316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3187}}^1$

素因数の和:3309

約数の個数: 24

約数和(自身を含む): 40972176

約数和(自身を除く): 19083860

約数列:

[1, 2, 4, 17, 34, 68, 101, 202, 404, 1717, 3187, 3434, 6374, 6868, 12748, 54179, 108358, 216716, 321887, 643774, 1287548, 5472079, 10944158, 21888316]

約数ペア:

[(1, 21888316), (2, 10944158), (4, 5472079), (17, 1287548), (34, 643774), (68, 321887), (101, 216716), (202, 108358), (404, 54179), (1717, 12748), (3187, 6868), (3434, 6374)]