21098982

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1543}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 44022528

約数和(自身を除く): 22923546

約数列:

[1, 2, 3, 6, 43, 53, 86, 106, 129, 159, 258, 318, 1543, 2279, 3086, 4558, 4629, 6837, 9258, 13674, 66349, 81779, 132698, 163558, 199047, 245337, 398094, 490674, 3516497, 7032994, 10549491, 21098982]

約数ペア:

[(1, 21098982), (2, 10549491), (3, 7032994), (6, 3516497), (43, 490674), (53, 398094), (86, 245337), (106, 199047), (129, 163558), (159, 132698), (258, 81779), (318, 66349), (1543, 13674), (2279, 9258), (3086, 6837), (4558, 4629)]