21000547635

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3769}}^1\times {\mathrm{12809}}^1$

素因数の和:16615

約数の個数: 32

約数和(自身を含む): 34771464000

約数和(自身を除く): 13770916365

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 3769, 11307, 12809, 18845, 38427, 56535, 64045, 109301, 192135, 327903, 371461, 546505, 1114383, 1639515, 1857305, 5571915, 48277121, 144831363, 241385605, 724156815, 1400036509, 4200109527, 7000182545, 21000547635]

約数ペア:

[(1, 21000547635), (3, 7000182545), (5, 4200109527), (15, 1400036509), (29, 724156815), (87, 241385605), (145, 144831363), (435, 48277121), (3769, 5571915), (11307, 1857305), (12809, 1639515), (18845, 1114383), (38427, 546505), (56535, 371461), (64045, 327903), (109301, 192135)]