21137345

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4483}}^1$

素因数の和:4552

約数の個数: 16

約数和(自身を含む): 27119232

約数和(自身を除く): 5981887

約数列:

[1, 5, 23, 41, 115, 205, 943, 4483, 4715, 22415, 103109, 183803, 515545, 919015, 4227469, 21137345]

約数ペア:

[(1, 21137345), (5, 4227469), (23, 919015), (41, 515545), (115, 183803), (205, 103109), (943, 22415), (4483, 4715)]