21000388682

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2814311}}^1$

素因数の和:2814374

約数の個数: 32

約数和(自身を含む): 39715570944

約数和(自身を除く): 18715182262

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 3731, 7462, 2814311, 5628622, 19700177, 36586043, 39400354, 73172086, 115386751, 230773502, 256102301, 512204602, 807707257, 1500027763, 1615414514, 3000055526, 10500194341, 21000388682]

約数ペア:

[(1, 21000388682), (2, 10500194341), (7, 3000055526), (13, 1615414514), (14, 1500027763), (26, 807707257), (41, 512204602), (82, 256102301), (91, 230773502), (182, 115386751), (287, 73172086), (533, 39400354), (574, 36586043), (1066, 19700177), (3731, 5628622), (7462, 2814311)]