21554129862

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{86753}}^1$

素因数の和:86914

約数の個数: 64

約数和(自身を含む): 49470600960

約数和(自身を除く): 27916471098

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 107, 129, 214, 258, 321, 387, 642, 774, 963, 1161, 1926, 2322, 2889, 4601, 5778, 9202, 13803, 27606, 41409, 82818, 86753, 124227, 173506, 248454, 260259, 520518, 780777, 1561554, 2342331, 3730379, 4684662, 7460758, 9282571, 11191137, 18565142, 22382274, 27847713, 33573411, 55695426, 67146822, 83543139, 100720233, 167086278, 201440466, 250629417, 399150553, 501258834, 798301106, 1197451659, 2394903318, 3592354977, 7184709954, 10777064931, 21554129862]

約数ペア:

[(1, 21554129862), (2, 10777064931), (3, 7184709954), (6, 3592354977), (9, 2394903318), (18, 1197451659), (27, 798301106), (43, 501258834), (54, 399150553), (86, 250629417), (107, 201440466), (129, 167086278), (214, 100720233), (258, 83543139), (321, 67146822), (387, 55695426), (642, 33573411), (774, 27847713), (963, 22382274), (1161, 18565142), (1926, 11191137), (2322, 9282571), (2889, 7460758), (4601, 4684662), (5778, 3730379), (9202, 2342331), (13803, 1561554), (27606, 780777), (41409, 520518), (82818, 260259), (86753, 248454), (124227, 173506)]