21189350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4657}}^1$

素因数の和:4689

約数の個数: 48

約数和(自身を含む): 48517728

約数和(自身を除く): 27328378

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 4657, 9314, 23285, 32599, 46570, 60541, 65198, 116425, 121082, 162995, 232850, 302705, 325990, 423787, 605410, 814975, 847574, 1513525, 1629950, 2118935, 3027050, 4237870, 10594675, 21189350]

約数ペア:

[(1, 21189350), (2, 10594675), (5, 4237870), (7, 3027050), (10, 2118935), (13, 1629950), (14, 1513525), (25, 847574), (26, 814975), (35, 605410), (50, 423787), (65, 325990), (70, 302705), (91, 232850), (130, 162995), (175, 121082), (182, 116425), (325, 65198), (350, 60541), (455, 46570), (650, 32599), (910, 23285), (2275, 9314), (4550, 4657)]