21528144

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13591}}^1$

素因数の和:13616

約数の個数: 60

約数和(自身を含む): 65730912

約数和(自身を除く): 44202768

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 13591, 27182, 40773, 54364, 81546, 108728, 122319, 149501, 163092, 217456, 244638, 299002, 326184, 448503, 489276, 598004, 652368, 897006, 978552, 1196008, 1345509, 1794012, 1957104, 2392016, 2691018, 3588024, 5382036, 7176048, 10764072, 21528144]

約数ペア:

[(1, 21528144), (2, 10764072), (3, 7176048), (4, 5382036), (6, 3588024), (8, 2691018), (9, 2392016), (11, 1957104), (12, 1794012), (16, 1345509), (18, 1196008), (22, 978552), (24, 897006), (33, 652368), (36, 598004), (44, 489276), (48, 448503), (66, 326184), (72, 299002), (88, 244638), (99, 217456), (132, 163092), (144, 149501), (176, 122319), (198, 108728), (264, 81546), (396, 54364), (528, 40773), (792, 27182), (1584, 13591)]