21410290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1289}}^1$

素因数の和:1458

約数の個数: 32

約数和(自身を含む): 42353280

約数和(自身を除く): 20942990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 151, 302, 755, 1289, 1510, 1661, 2578, 3322, 6445, 8305, 12890, 14179, 16610, 28358, 70895, 141790, 194639, 389278, 973195, 1946390, 2141029, 4282058, 10705145, 21410290]

約数ペア:

[(1, 21410290), (2, 10705145), (5, 4282058), (10, 2141029), (11, 1946390), (22, 973195), (55, 389278), (110, 194639), (151, 141790), (302, 70895), (755, 28358), (1289, 16610), (1510, 14179), (1661, 12890), (2578, 8305), (3322, 6445)]