21366012

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 52157952

約数和(自身を除く): 30791940

約数列:

[1, 2, 3, 4, 6, 12, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 516, 564, 881, 1762, 2021, 2643, 3524, 4042, 5286, 6063, 8084, 10572, 12126, 24252, 37883, 41407, 75766, 82814, 113649, 124221, 151532, 165628, 227298, 248442, 454596, 496884, 1780501, 3561002, 5341503, 7122004, 10683006, 21366012]

約数ペア:

[(1, 21366012), (2, 10683006), (3, 7122004), (4, 5341503), (6, 3561002), (12, 1780501), (43, 496884), (47, 454596), (86, 248442), (94, 227298), (129, 165628), (141, 151532), (172, 124221), (188, 113649), (258, 82814), (282, 75766), (516, 41407), (564, 37883), (881, 24252), (1762, 12126), (2021, 10572), (2643, 8084), (3524, 6063), (4042, 5286)]