21180228

素因数分解:

$2^2\times 3^1\times {\mathrm{449}}^1\times {\mathrm{3931}}^1$

素因数の和:4387

約数の個数: 24

約数和(自身を含む): 49543200

約数和(自身を除く): 28362972

約数列:

[1, 2, 3, 4, 6, 12, 449, 898, 1347, 1796, 2694, 3931, 5388, 7862, 11793, 15724, 23586, 47172, 1765019, 3530038, 5295057, 7060076, 10590114, 21180228]

約数ペア:

[(1, 21180228), (2, 10590114), (3, 7060076), (4, 5295057), (6, 3530038), (12, 1765019), (449, 47172), (898, 23586), (1347, 15724), (1796, 11793), (2694, 7862), (3931, 5388)]