21972756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1697}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 55911744

約数和(自身を除く): 33938988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 83, 156, 166, 249, 332, 498, 996, 1079, 1697, 2158, 3237, 3394, 4316, 5091, 6474, 6788, 10182, 12948, 20364, 22061, 44122, 66183, 88244, 132366, 140851, 264732, 281702, 422553, 563404, 845106, 1690212, 1831063, 3662126, 5493189, 7324252, 10986378, 21972756]

約数ペア:

[(1, 21972756), (2, 10986378), (3, 7324252), (4, 5493189), (6, 3662126), (12, 1831063), (13, 1690212), (26, 845106), (39, 563404), (52, 422553), (78, 281702), (83, 264732), (156, 140851), (166, 132366), (249, 88244), (332, 66183), (498, 44122), (996, 22061), (1079, 20364), (1697, 12948), (2158, 10182), (3237, 6788), (3394, 6474), (4316, 5091)]