21384588

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41443}}^1$

素因数の和:41493

約数の個数: 24

約数和(自身を含む): 51059008

約数和(自身を除く): 29674420

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41443, 82886, 124329, 165772, 248658, 497316, 1782049, 3564098, 5346147, 7128196, 10692294, 21384588]

約数ペア:

[(1, 21384588), (2, 10692294), (3, 7128196), (4, 5346147), (6, 3564098), (12, 1782049), (43, 497316), (86, 248658), (129, 165772), (172, 124329), (258, 82886), (516, 41443)]