21817367515

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{5059}}^1$

素因数の和:5407

約数の個数: 32

約数和(自身を含む): 27211060800

約数和(自身を除く): 5393693285

約数列:

[1, 5, 41, 109, 193, 205, 545, 965, 4469, 5059, 7913, 21037, 22345, 25295, 39565, 105185, 207419, 551431, 862517, 976387, 1037095, 2757155, 4312585, 4881935, 22608671, 40031867, 106426183, 113043355, 200159335, 532130915, 4363473503, 21817367515]

約数ペア:

[(1, 21817367515), (5, 4363473503), (41, 532130915), (109, 200159335), (193, 113043355), (205, 106426183), (545, 40031867), (965, 22608671), (4469, 4881935), (5059, 4312585), (7913, 2757155), (21037, 1037095), (22345, 976387), (25295, 862517), (39565, 551431), (105185, 207419)]