21413152

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 45511200

約数和(自身を除く): 24098048

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 608, 656, 779, 859, 1312, 1558, 1718, 3116, 3436, 6232, 6872, 12464, 13744, 16321, 24928, 27488, 32642, 35219, 65284, 70438, 130568, 140876, 261136, 281752, 522272, 563504, 669161, 1127008, 1338322, 2676644, 5353288, 10706576, 21413152]

約数ペア:

[(1, 21413152), (2, 10706576), (4, 5353288), (8, 2676644), (16, 1338322), (19, 1127008), (32, 669161), (38, 563504), (41, 522272), (76, 281752), (82, 261136), (152, 140876), (164, 130568), (304, 70438), (328, 65284), (608, 35219), (656, 32642), (779, 27488), (859, 24928), (1312, 16321), (1558, 13744), (1718, 12464), (3116, 6872), (3436, 6232)]