21561066

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7829}}^1$

素因数の和:7860

約数の個数: 40

約数和(自身を含む): 51161220

約数和(自身を除く): 29600154

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7829, 15658, 23487, 46974, 70461, 133093, 140922, 211383, 266186, 399279, 422766, 634149, 798558, 1197837, 1268298, 2395674, 3593511, 7187022, 10780533, 21561066]

約数ペア:

[(1, 21561066), (2, 10780533), (3, 7187022), (6, 3593511), (9, 2395674), (17, 1268298), (18, 1197837), (27, 798558), (34, 634149), (51, 422766), (54, 399279), (81, 266186), (102, 211383), (153, 140922), (162, 133093), (306, 70461), (459, 46974), (918, 23487), (1377, 15658), (2754, 7829)]