21160590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64123}}^1$

素因数の和:64144

約数の個数: 32

約数和(自身を含む): 55403136

約数和(自身を除く): 34242546

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64123, 128246, 192369, 320615, 384738, 641230, 705353, 961845, 1410706, 1923690, 2116059, 3526765, 4232118, 7053530, 10580295, 21160590]

約数ペア:

[(1, 21160590), (2, 10580295), (3, 7053530), (5, 4232118), (6, 3526765), (10, 2116059), (11, 1923690), (15, 1410706), (22, 961845), (30, 705353), (33, 641230), (55, 384738), (66, 320615), (110, 192369), (165, 128246), (330, 64123)]