21101132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9437}}^1$

素因数の和:9497

約数の個数: 24

約数和(自身を含む): 40696656

約数和(自身を除く): 19595524

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9437, 18874, 37748, 122681, 245362, 405791, 490724, 811582, 1623164, 5275283, 10550566, 21101132]

約数ペア:

[(1, 21101132), (2, 10550566), (4, 5275283), (13, 1623164), (26, 811582), (43, 490724), (52, 405791), (86, 245362), (172, 122681), (559, 37748), (1118, 18874), (2236, 9437)]