21704499

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 32722560

約数和(自身を除く): 11018061

約数列:

[1, 3, 9, 29, 87, 137, 261, 411, 607, 1233, 1821, 3973, 5463, 11919, 17603, 35757, 52809, 83159, 158427, 249477, 748431, 2411611, 7234833, 21704499]

約数ペア:

[(1, 21704499), (3, 7234833), (9, 2411611), (29, 748431), (87, 249477), (137, 158427), (261, 83159), (411, 52809), (607, 35757), (1233, 17603), (1821, 11919), (3973, 5463)]