21791028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11279}}^1$

素因数の和:11316

約数の個数: 48

約数和(自身を含む): 60641280

約数和(自身を除く): 38850252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 11279, 22558, 33837, 45116, 67674, 78953, 135348, 157906, 236859, 259417, 315812, 473718, 518834, 778251, 947436, 1037668, 1556502, 1815919, 3113004, 3631838, 5447757, 7263676, 10895514, 21791028]

約数ペア:

[(1, 21791028), (2, 10895514), (3, 7263676), (4, 5447757), (6, 3631838), (7, 3113004), (12, 1815919), (14, 1556502), (21, 1037668), (23, 947436), (28, 778251), (42, 518834), (46, 473718), (69, 315812), (84, 259417), (92, 236859), (138, 157906), (161, 135348), (276, 78953), (322, 67674), (483, 45116), (644, 33837), (966, 22558), (1932, 11279)]