21167292

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 52335360

約数和(自身を除く): 31168068

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 263, 353, 526, 706, 789, 1052, 1059, 1412, 1578, 2118, 3156, 4236, 4997, 6707, 9994, 13414, 14991, 19988, 20121, 26828, 29982, 40242, 59964, 80484, 92839, 185678, 278517, 371356, 557034, 1114068, 1763941, 3527882, 5291823, 7055764, 10583646, 21167292]

約数ペア:

[(1, 21167292), (2, 10583646), (3, 7055764), (4, 5291823), (6, 3527882), (12, 1763941), (19, 1114068), (38, 557034), (57, 371356), (76, 278517), (114, 185678), (228, 92839), (263, 80484), (353, 59964), (526, 40242), (706, 29982), (789, 26828), (1052, 20121), (1059, 19988), (1412, 14991), (1578, 13414), (2118, 9994), (3156, 6707), (4236, 4997)]