21000612309

素因数分解:

$3^1\times {\mathrm{337}}^1\times {\mathrm{1249}}^1\times {\mathrm{16631}}^1$

素因数の和:18220

約数の個数: 16

約数和(自身を含む): 28108080000

約数和(自身を除く): 7107467691

約数列:

[1, 3, 337, 1011, 1249, 3747, 16631, 49893, 420913, 1262739, 5604647, 16813941, 20772119, 62316357, 7000204103, 21000612309]

約数ペア:

[(1, 21000612309), (3, 7000204103), (337, 62316357), (1011, 20772119), (1249, 16813941), (3747, 5604647), (16631, 1262739), (49893, 420913)]