21836704071

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{318677}}^1$

素因数の和:318951

約数の個数: 32

約数和(自身を含む): 35977471488

約数和(自身を除く): 14140767417

約数列:

[1, 3, 7, 13, 21, 39, 91, 251, 273, 753, 1757, 3263, 5271, 9789, 22841, 68523, 318677, 956031, 2230739, 4142801, 6692217, 12428403, 28999607, 79987927, 86998821, 239963781, 559915489, 1039843051, 1679746467, 3119529153, 7278901357, 21836704071]

約数ペア:

[(1, 21836704071), (3, 7278901357), (7, 3119529153), (13, 1679746467), (21, 1039843051), (39, 559915489), (91, 239963781), (251, 86998821), (273, 79987927), (753, 28999607), (1757, 12428403), (3263, 6692217), (5271, 4142801), (9789, 2230739), (22841, 956031), (68523, 318677)]