21989574

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{569}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 50684400

約数和(自身を除く): 28694826

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 113, 114, 171, 226, 339, 342, 569, 678, 1017, 1138, 1707, 2034, 2147, 3414, 4294, 5121, 6441, 10242, 10811, 12882, 19323, 21622, 32433, 38646, 64297, 64866, 97299, 128594, 192891, 194598, 385782, 578673, 1157346, 1221643, 2443286, 3664929, 7329858, 10994787, 21989574]

約数ペア:

[(1, 21989574), (2, 10994787), (3, 7329858), (6, 3664929), (9, 2443286), (18, 1221643), (19, 1157346), (38, 578673), (57, 385782), (113, 194598), (114, 192891), (171, 128594), (226, 97299), (339, 64866), (342, 64297), (569, 38646), (678, 32433), (1017, 21622), (1138, 19323), (1707, 12882), (2034, 10811), (2147, 10242), (3414, 6441), (4294, 5121)]