21035647548

素因数分解:

$2^2\times 3^2\times {\mathrm{4391}}^1\times {\mathrm{133073}}^1$

素因数の和:137474

約数の個数: 36

約数和(自身を含む): 53185951728

約数和(自身を除く): 32150304180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 4391, 8782, 13173, 17564, 26346, 39519, 52692, 79038, 133073, 158076, 266146, 399219, 532292, 798438, 1197657, 1596876, 2395314, 4790628, 584323543, 1168647086, 1752970629, 2337294172, 3505941258, 5258911887, 7011882516, 10517823774, 21035647548]

約数ペア:

[(1, 21035647548), (2, 10517823774), (3, 7011882516), (4, 5258911887), (6, 3505941258), (9, 2337294172), (12, 1752970629), (18, 1168647086), (36, 584323543), (4391, 4790628), (8782, 2395314), (13173, 1596876), (17564, 1197657), (26346, 798438), (39519, 532292), (52692, 399219), (79038, 266146), (133073, 158076)]