21812184

素因数分解:

$2^3\times 3^2\times {\mathrm{491}}^1\times {\mathrm{617}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 59290920

約数和(自身を除く): 37478736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 491, 617, 982, 1234, 1473, 1851, 1964, 2468, 2946, 3702, 3928, 4419, 4936, 5553, 5892, 7404, 8838, 11106, 11784, 14808, 17676, 22212, 35352, 44424, 302947, 605894, 908841, 1211788, 1817682, 2423576, 2726523, 3635364, 5453046, 7270728, 10906092, 21812184]

約数ペア:

[(1, 21812184), (2, 10906092), (3, 7270728), (4, 5453046), (6, 3635364), (8, 2726523), (9, 2423576), (12, 1817682), (18, 1211788), (24, 908841), (36, 605894), (72, 302947), (491, 44424), (617, 35352), (982, 22212), (1234, 17676), (1473, 14808), (1851, 11784), (1964, 11106), (2468, 8838), (2946, 7404), (3702, 5892), (3928, 5553), (4419, 4936)]