21009648

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{39791}}^1$

素因数の和:39813

約数の個数: 40

約数和(自身を含む): 59210496

約数和(自身を除く): 38200848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 39791, 79582, 119373, 159164, 238746, 318328, 437701, 477492, 636656, 875402, 954984, 1313103, 1750804, 1909968, 2626206, 3501608, 5252412, 7003216, 10504824, 21009648]

約数ペア:

[(1, 21009648), (2, 10504824), (3, 7003216), (4, 5252412), (6, 3501608), (8, 2626206), (11, 1909968), (12, 1750804), (16, 1313103), (22, 954984), (24, 875402), (33, 636656), (44, 477492), (48, 437701), (66, 318328), (88, 238746), (132, 159164), (176, 119373), (264, 79582), (528, 39791)]