21269854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 34992000

約数和(自身を除く): 13722146

約数列:

[1, 2, 19, 38, 53, 59, 106, 118, 179, 358, 1007, 1121, 2014, 2242, 3127, 3401, 6254, 6802, 9487, 10561, 18974, 21122, 59413, 118826, 180253, 200659, 360506, 401318, 559733, 1119466, 10634927, 21269854]

約数ペア:

[(1, 21269854), (2, 10634927), (19, 1119466), (38, 559733), (53, 401318), (59, 360506), (106, 200659), (118, 180253), (179, 118826), (358, 59413), (1007, 21122), (1121, 18974), (2014, 10561), (2242, 9487), (3127, 6802), (3401, 6254)]