21653514

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{3061}}^1$

素因数の和:3203

約数の個数: 32

約数和(自身を含む): 48502080

約数和(自身を除く): 26848566

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 262, 393, 786, 1179, 2358, 3061, 3537, 6122, 7074, 9183, 18366, 27549, 55098, 82647, 165294, 400991, 801982, 1202973, 2405946, 3608919, 7217838, 10826757, 21653514]

約数ペア:

[(1, 21653514), (2, 10826757), (3, 7217838), (6, 3608919), (9, 2405946), (18, 1202973), (27, 801982), (54, 400991), (131, 165294), (262, 82647), (393, 55098), (786, 27549), (1179, 18366), (2358, 9183), (3061, 7074), (3537, 6122)]