21018494

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1879}}^1$

素因数の和:1952

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 17965186

約数列:

[1, 2, 7, 14, 17, 34, 47, 94, 119, 238, 329, 658, 799, 1598, 1879, 3758, 5593, 11186, 13153, 26306, 31943, 63886, 88313, 176626, 223601, 447202, 618191, 1236382, 1501321, 3002642, 10509247, 21018494]

約数ペア:

[(1, 21018494), (2, 10509247), (7, 3002642), (14, 1501321), (17, 1236382), (34, 618191), (47, 447202), (94, 223601), (119, 176626), (238, 88313), (329, 63886), (658, 31943), (799, 26306), (1598, 13153), (1879, 11186), (3758, 5593)]