21506148

素因数分解:

$2^2\times 3^4\times {\mathrm{66377}}^1$

素因数の和:66393

約数の個数: 30

約数和(自身を含む): 56222166

約数和(自身を除く): 34716018

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 66377, 132754, 199131, 265508, 398262, 597393, 796524, 1194786, 1792179, 2389572, 3584358, 5376537, 7168716, 10753074, 21506148]

約数ペア:

[(1, 21506148), (2, 10753074), (3, 7168716), (4, 5376537), (6, 3584358), (9, 2389572), (12, 1792179), (18, 1194786), (27, 796524), (36, 597393), (54, 398262), (81, 265508), (108, 199131), (162, 132754), (324, 66377)]