21334144

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12821}}^1$

素因数の和:12848

約数の個数: 32

約数和(自身を含む): 45774540

約数和(自身を除く): 24440396

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12821, 25642, 51284, 102568, 166673, 205136, 333346, 410272, 666692, 820544, 1333384, 1641088, 2666768, 5333536, 10667072, 21334144]

約数ペア:

[(1, 21334144), (2, 10667072), (4, 5333536), (8, 2666768), (13, 1641088), (16, 1333384), (26, 820544), (32, 666692), (52, 410272), (64, 333346), (104, 205136), (128, 166673), (208, 102568), (416, 51284), (832, 25642), (1664, 12821)]