21770556

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 53695488

約数和(自身を除く): 31924932

約数列:

[1, 2, 3, 4, 6, 12, 31, 43, 62, 86, 93, 124, 129, 172, 186, 258, 372, 516, 1333, 1361, 2666, 2722, 3999, 4083, 5332, 5444, 7998, 8166, 15996, 16332, 42191, 58523, 84382, 117046, 126573, 168764, 175569, 234092, 253146, 351138, 506292, 702276, 1814213, 3628426, 5442639, 7256852, 10885278, 21770556]

約数ペア:

[(1, 21770556), (2, 10885278), (3, 7256852), (4, 5442639), (6, 3628426), (12, 1814213), (31, 702276), (43, 506292), (62, 351138), (86, 253146), (93, 234092), (124, 175569), (129, 168764), (172, 126573), (186, 117046), (258, 84382), (372, 58523), (516, 42191), (1333, 16332), (1361, 15996), (2666, 8166), (2722, 7998), (3999, 5444), (4083, 5332)]