21660002

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1951}}^1$

素因数の和:2034

約数の個数: 32

約数和(自身を含む): 40664064

約数和(自身を除く): 19004062

約数列:

[1, 2, 7, 13, 14, 26, 61, 91, 122, 182, 427, 793, 854, 1586, 1951, 3902, 5551, 11102, 13657, 25363, 27314, 50726, 119011, 177541, 238022, 355082, 833077, 1547143, 1666154, 3094286, 10830001, 21660002]

約数ペア:

[(1, 21660002), (2, 10830001), (7, 3094286), (13, 1666154), (14, 1547143), (26, 833077), (61, 355082), (91, 238022), (122, 177541), (182, 119011), (427, 50726), (793, 27314), (854, 25363), (1586, 13657), (1951, 11102), (3902, 5551)]