21536372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 24694540

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 143, 253, 286, 299, 506, 572, 598, 1012, 1196, 1637, 3274, 3289, 6548, 6578, 13156, 18007, 21281, 36014, 37651, 42562, 72028, 75302, 85124, 150604, 234091, 414161, 468182, 489463, 828322, 936364, 978926, 1656644, 1957852, 5384093, 10768186, 21536372]

約数ペア:

[(1, 21536372), (2, 10768186), (4, 5384093), (11, 1957852), (13, 1656644), (22, 978926), (23, 936364), (26, 828322), (44, 489463), (46, 468182), (52, 414161), (92, 234091), (143, 150604), (253, 85124), (286, 75302), (299, 72028), (506, 42562), (572, 37651), (598, 36014), (1012, 21281), (1196, 18007), (1637, 13156), (3274, 6578), (3289, 6548)]