2021100484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{7499}}^1$

素因数の和:7660

約数の個数: 48

約数和(自身を含む): 3916080000

約数和(自身を除く): 1894979516

約数列:

[1, 2, 4, 13, 26, 52, 71, 73, 142, 146, 284, 292, 923, 949, 1846, 1898, 3692, 3796, 5183, 7499, 10366, 14998, 20732, 29996, 67379, 97487, 134758, 194974, 269516, 389948, 532429, 547427, 1064858, 1094854, 2129716, 2189708, 6921577, 7116551, 13843154, 14233102, 27686308, 28466204, 38867317, 77734634, 155469268, 505275121, 1010550242, 2021100484]

約数ペア:

[(1, 2021100484), (2, 1010550242), (4, 505275121), (13, 155469268), (26, 77734634), (52, 38867317), (71, 28466204), (73, 27686308), (142, 14233102), (146, 13843154), (284, 7116551), (292, 6921577), (923, 2189708), (949, 2129716), (1846, 1094854), (1898, 1064858), (3692, 547427), (3796, 532429), (5183, 389948), (7499, 269516), (10366, 194974), (14998, 134758), (20732, 97487), (29996, 67379)]