21000322575

素因数分解:

$3^3\times 5^2\times {\mathrm{613}}^1\times {\mathrm{50753}}^1$

素因数の和:51385

約数の個数: 48

約数和(自身を含む): 38642065440

約数和(自身を除く): 17641742865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 613, 675, 1839, 3065, 5517, 9195, 15325, 16551, 27585, 45975, 50753, 82755, 137925, 152259, 253765, 413775, 456777, 761295, 1268825, 1370331, 2283885, 3806475, 6851655, 11419425, 31111589, 34258275, 93334767, 155557945, 280004301, 466673835, 777789725, 840012903, 1400021505, 2333369175, 4200064515, 7000107525, 21000322575]

約数ペア:

[(1, 21000322575), (3, 7000107525), (5, 4200064515), (9, 2333369175), (15, 1400021505), (25, 840012903), (27, 777789725), (45, 466673835), (75, 280004301), (135, 155557945), (225, 93334767), (613, 34258275), (675, 31111589), (1839, 11419425), (3065, 6851655), (5517, 3806475), (9195, 2283885), (15325, 1370331), (16551, 1268825), (27585, 761295), (45975, 456777), (50753, 413775), (82755, 253765), (137925, 152259)]