21262956

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12391}}^1$

素因数の和:12422

約数の個数: 48

約数和(自身を含む): 58291968

約数和(自身を除く): 37029012

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12391, 24782, 37173, 49564, 74346, 136301, 148692, 161083, 272602, 322166, 408903, 483249, 545204, 644332, 817806, 966498, 1635612, 1771913, 1932996, 3543826, 5315739, 7087652, 10631478, 21262956]

約数ペア:

[(1, 21262956), (2, 10631478), (3, 7087652), (4, 5315739), (6, 3543826), (11, 1932996), (12, 1771913), (13, 1635612), (22, 966498), (26, 817806), (33, 644332), (39, 545204), (44, 483249), (52, 408903), (66, 322166), (78, 272602), (132, 161083), (143, 148692), (156, 136301), (286, 74346), (429, 49564), (572, 37173), (858, 24782), (1716, 12391)]