21000960819

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3272707}}^1$

素因数の和:3272767

約数の個数: 24

約数和(自身を含む): 32674716672

約数和(自身を除く): 11673755853

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 6417, 3272707, 9818121, 29454363, 75272261, 101453917, 225816783, 304361751, 677450349, 913085253, 2333440091, 7000320273, 21000960819]

約数ペア:

[(1, 21000960819), (3, 7000320273), (9, 2333440091), (23, 913085253), (31, 677450349), (69, 304361751), (93, 225816783), (207, 101453917), (279, 75272261), (713, 29454363), (2139, 9818121), (6417, 3272707)]