21000741876

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30702839}}^1$

素因数の和:30702868

約数の個数: 36

約数和(自身を含む): 55879168800

約数和(自身を除く): 34878426924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30702839, 61405678, 92108517, 122811356, 184217034, 276325551, 368434068, 552651102, 583353941, 1105302204, 1166707882, 1750061823, 2333415764, 3500123646, 5250185469, 7000247292, 10500370938, 21000741876]

約数ペア:

[(1, 21000741876), (2, 10500370938), (3, 7000247292), (4, 5250185469), (6, 3500123646), (9, 2333415764), (12, 1750061823), (18, 1166707882), (19, 1105302204), (36, 583353941), (38, 552651102), (57, 368434068), (76, 276325551), (114, 184217034), (171, 122811356), (228, 92108517), (342, 61405678), (684, 30702839)]