21051762

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1931}}^1$

素因数の和:2038

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 23461518

約数列:

[1, 2, 3, 6, 23, 46, 69, 79, 138, 158, 237, 474, 1817, 1931, 3634, 3862, 5451, 5793, 10902, 11586, 44413, 88826, 133239, 152549, 266478, 305098, 457647, 915294, 3508627, 7017254, 10525881, 21051762]

約数ペア:

[(1, 21051762), (2, 10525881), (3, 7017254), (6, 3508627), (23, 915294), (46, 457647), (69, 305098), (79, 266478), (138, 152549), (158, 133239), (237, 88826), (474, 44413), (1817, 11586), (1931, 10902), (3634, 5793), (3862, 5451)]