21850768

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 43747200

約数和(自身を除く): 21896432

約数列:

[1, 2, 4, 8, 16, 59, 79, 118, 158, 236, 293, 316, 472, 586, 632, 944, 1172, 1264, 2344, 4661, 4688, 9322, 17287, 18644, 23147, 34574, 37288, 46294, 69148, 74576, 92588, 138296, 185176, 276592, 370352, 1365673, 2731346, 5462692, 10925384, 21850768]

約数ペア:

[(1, 21850768), (2, 10925384), (4, 5462692), (8, 2731346), (16, 1365673), (59, 370352), (79, 276592), (118, 185176), (158, 138296), (236, 92588), (293, 74576), (316, 69148), (472, 46294), (586, 37288), (632, 34574), (944, 23147), (1172, 18644), (1264, 17287), (2344, 9322), (4661, 4688)]