21017898

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1051}}^1$

素因数の和:1171

約数の個数: 48

約数和(自身を含む): 50218272

約数和(自身を除く): 29200374

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 101, 198, 202, 303, 606, 909, 1051, 1111, 1818, 2102, 2222, 3153, 3333, 6306, 6666, 9459, 9999, 11561, 18918, 19998, 23122, 34683, 69366, 104049, 106151, 208098, 212302, 318453, 636906, 955359, 1167661, 1910718, 2335322, 3502983, 7005966, 10508949, 21017898]

約数ペア:

[(1, 21017898), (2, 10508949), (3, 7005966), (6, 3502983), (9, 2335322), (11, 1910718), (18, 1167661), (22, 955359), (33, 636906), (66, 318453), (99, 212302), (101, 208098), (198, 106151), (202, 104049), (303, 69366), (606, 34683), (909, 23122), (1051, 19998), (1111, 18918), (1818, 11561), (2102, 9999), (2222, 9459), (3153, 6666), (3333, 6306)]