21159324

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{2287}}^1$

素因数の和:2554

約数の個数: 36

約数和(自身を含む): 53717664

約数和(自身を除く): 32558340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1542, 2287, 2313, 3084, 4574, 4626, 6861, 9148, 9252, 13722, 20583, 27444, 41166, 82332, 587759, 1175518, 1763277, 2351036, 3526554, 5289831, 7053108, 10579662, 21159324]

約数ペア:

[(1, 21159324), (2, 10579662), (3, 7053108), (4, 5289831), (6, 3526554), (9, 2351036), (12, 1763277), (18, 1175518), (36, 587759), (257, 82332), (514, 41166), (771, 27444), (1028, 20583), (1542, 13722), (2287, 9252), (2313, 9148), (3084, 6861), (4574, 4626)]