21535056952

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{404977}}^1$

素因数の和:405040

約数の個数: 48

約数和(自身を含む): 44758168560

約数和(自身を除く): 23223111608

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 289, 391, 578, 782, 1156, 1564, 2312, 3128, 6647, 13294, 26588, 53176, 404977, 809954, 1619908, 3239816, 6884609, 9314471, 13769218, 18628942, 27538436, 37257884, 55076872, 74515768, 117038353, 158346007, 234076706, 316692014, 468153412, 633384028, 936306824, 1266768056, 2691882119, 5383764238, 10767528476, 21535056952]

約数ペア:

[(1, 21535056952), (2, 10767528476), (4, 5383764238), (8, 2691882119), (17, 1266768056), (23, 936306824), (34, 633384028), (46, 468153412), (68, 316692014), (92, 234076706), (136, 158346007), (184, 117038353), (289, 74515768), (391, 55076872), (578, 37257884), (782, 27538436), (1156, 18628942), (1564, 13769218), (2312, 9314471), (3128, 6884609), (6647, 3239816), (13294, 1619908), (26588, 809954), (53176, 404977)]