21764412

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3709}}^1$

素因数の和:3882

約数の個数: 36

約数和(自身を含む): 55368040

約数和(自身を除く): 33603628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3709, 5868, 7418, 11127, 14836, 22254, 33381, 44508, 66762, 133524, 604567, 1209134, 1813701, 2418268, 3627402, 5441103, 7254804, 10882206, 21764412]

約数ペア:

[(1, 21764412), (2, 10882206), (3, 7254804), (4, 5441103), (6, 3627402), (9, 2418268), (12, 1813701), (18, 1209134), (36, 604567), (163, 133524), (326, 66762), (489, 44508), (652, 33381), (978, 22254), (1467, 14836), (1956, 11127), (2934, 7418), (3709, 5868)]