21008705328

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11222599}}^1$

素因数の和:11222626

約数の個数: 60

約数和(自身を含む): 63317909200

約数和(自身を除く): 42309203872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11222599, 22445198, 33667797, 44890396, 67335594, 89780792, 101003391, 134671188, 145893787, 179561584, 202006782, 269342376, 291787574, 404013564, 437681361, 538684752, 583575148, 808027128, 875362722, 1167150296, 1313044083, 1616054256, 1750725444, 2334300592, 2626088166, 3501450888, 5252176332, 7002901776, 10504352664, 21008705328]

約数ペア:

[(1, 21008705328), (2, 10504352664), (3, 7002901776), (4, 5252176332), (6, 3501450888), (8, 2626088166), (9, 2334300592), (12, 1750725444), (13, 1616054256), (16, 1313044083), (18, 1167150296), (24, 875362722), (26, 808027128), (36, 583575148), (39, 538684752), (48, 437681361), (52, 404013564), (72, 291787574), (78, 269342376), (104, 202006782), (117, 179561584), (144, 145893787), (156, 134671188), (208, 101003391), (234, 89780792), (312, 67335594), (468, 44890396), (624, 33667797), (936, 22445198), (1872, 11222599)]