21844004

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8573}}^1$

素因数の和:8604

約数の個数: 36

約数和(自身を含む): 47894364

約数和(自身を除く): 26050360

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8573, 17146, 34292, 60011, 111449, 120022, 222898, 240044, 420077, 445796, 780143, 840154, 1560286, 1680308, 3120572, 5461001, 10922002, 21844004]

約数ペア:

[(1, 21844004), (2, 10922002), (4, 5461001), (7, 3120572), (13, 1680308), (14, 1560286), (26, 840154), (28, 780143), (49, 445796), (52, 420077), (91, 240044), (98, 222898), (182, 120022), (196, 111449), (364, 60011), (637, 34292), (1274, 17146), (2548, 8573)]