21392810

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 18264790

約数列:

[1, 2, 5, 10, 59, 101, 118, 202, 295, 359, 505, 590, 718, 1010, 1795, 3590, 5959, 11918, 21181, 29795, 36259, 42362, 59590, 72518, 105905, 181295, 211810, 362590, 2139281, 4278562, 10696405, 21392810]

約数ペア:

[(1, 21392810), (2, 10696405), (5, 4278562), (10, 2139281), (59, 362590), (101, 211810), (118, 181295), (202, 105905), (295, 72518), (359, 59590), (505, 42362), (590, 36259), (718, 29795), (1010, 21181), (1795, 11918), (3590, 5959)]