21765032

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8423}}^1$

素因数の和:8465

約数の個数: 32

約数和(自身を含む): 45489600

約数和(自身を除く): 23724568

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8423, 16846, 33692, 67384, 143191, 160037, 286382, 320074, 572764, 640148, 1145528, 1280296, 2720629, 5441258, 10882516, 21765032]

約数ペア:

[(1, 21765032), (2, 10882516), (4, 5441258), (8, 2720629), (17, 1280296), (19, 1145528), (34, 640148), (38, 572764), (68, 320074), (76, 286382), (136, 160037), (152, 143191), (323, 67384), (646, 33692), (1292, 16846), (2584, 8423)]