21231786

素因数分解:

$2^1\times 3^1\times {\mathrm{1291}}^1\times {\mathrm{2741}}^1$

素因数の和:4037

約数の個数: 16

約数和(自身を含む): 42511968

約数和(自身を除く): 21280182

約数列:

[1, 2, 3, 6, 1291, 2582, 2741, 3873, 5482, 7746, 8223, 16446, 3538631, 7077262, 10615893, 21231786]

約数ペア:

[(1, 21231786), (2, 10615893), (3, 7077262), (6, 3538631), (1291, 16446), (2582, 8223), (2741, 7746), (3873, 5482)]