21053106

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 48825504

約数和(自身を除く): 27772398

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 107, 153, 214, 306, 321, 642, 643, 963, 1286, 1819, 1926, 1929, 3638, 3858, 5457, 5787, 10914, 10931, 11574, 16371, 21862, 32742, 32793, 65586, 68801, 98379, 137602, 196758, 206403, 412806, 619209, 1169617, 1238418, 2339234, 3508851, 7017702, 10526553, 21053106]

約数ペア:

[(1, 21053106), (2, 10526553), (3, 7017702), (6, 3508851), (9, 2339234), (17, 1238418), (18, 1169617), (34, 619209), (51, 412806), (102, 206403), (107, 196758), (153, 137602), (214, 98379), (306, 68801), (321, 65586), (642, 32793), (643, 32742), (963, 21862), (1286, 16371), (1819, 11574), (1926, 10931), (1929, 10914), (3638, 5787), (3858, 5457)]