21634064

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79537}}^1$

素因数の和:79562

約数の個数: 20

約数和(自身を含む): 44382204

約数和(自身を除く): 22748140

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79537, 159074, 318148, 636296, 1272592, 1352129, 2704258, 5408516, 10817032, 21634064]

約数ペア:

[(1, 21634064), (2, 10817032), (4, 5408516), (8, 2704258), (16, 1352129), (17, 1272592), (34, 636296), (68, 318148), (136, 159074), (272, 79537)]