21797388

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{14081}}^1$

素因数の和:14134

約数の個数: 36

約数和(自身を含む): 56384328

約数和(自身を除く): 34586940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 14081, 28162, 42243, 56324, 84486, 126729, 168972, 253458, 506916, 605483, 1210966, 1816449, 2421932, 3632898, 5449347, 7265796, 10898694, 21797388]

約数ペア:

[(1, 21797388), (2, 10898694), (3, 7265796), (4, 5449347), (6, 3632898), (9, 2421932), (12, 1816449), (18, 1210966), (36, 605483), (43, 506916), (86, 253458), (129, 168972), (172, 126729), (258, 84486), (387, 56324), (516, 42243), (774, 28162), (1548, 14081)]