21728960

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6173}}^1$

素因数の和:6201

約数の個数: 56

約数和(自身を含む): 56455056

約数和(自身を除く): 34726096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 6173, 12346, 24692, 30865, 49384, 61730, 67903, 98768, 123460, 135806, 197536, 246920, 271612, 339515, 395072, 493840, 543224, 679030, 987680, 1086448, 1358060, 1975360, 2172896, 2716120, 4345792, 5432240, 10864480, 21728960]

約数ペア:

[(1, 21728960), (2, 10864480), (4, 5432240), (5, 4345792), (8, 2716120), (10, 2172896), (11, 1975360), (16, 1358060), (20, 1086448), (22, 987680), (32, 679030), (40, 543224), (44, 493840), (55, 395072), (64, 339515), (80, 271612), (88, 246920), (110, 197536), (160, 135806), (176, 123460), (220, 98768), (320, 67903), (352, 61730), (440, 49384), (704, 30865), (880, 24692), (1760, 12346), (3520, 6173)]