21766358

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 32

約数和(自身を含む): 36111744

約数和(自身を除く): 14345386

約数列:

[1, 2, 17, 34, 47, 53, 94, 106, 257, 514, 799, 901, 1598, 1802, 2491, 4369, 4982, 8738, 12079, 13621, 24158, 27242, 42347, 84694, 205343, 231557, 410686, 463114, 640187, 1280374, 10883179, 21766358]

約数ペア:

[(1, 21766358), (2, 10883179), (17, 1280374), (34, 640187), (47, 463114), (53, 410686), (94, 231557), (106, 205343), (257, 84694), (514, 42347), (799, 27242), (901, 24158), (1598, 13621), (1802, 12079), (2491, 8738), (4369, 4982)]