21492972

素因数分解:

$2^2\times 3^3\times {\mathrm{127}}^1\times {\mathrm{1567}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 56197120

約数和(自身を除く): 34704148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 127, 254, 381, 508, 762, 1143, 1524, 1567, 2286, 3134, 3429, 4572, 4701, 6268, 6858, 9402, 13716, 14103, 18804, 28206, 42309, 56412, 84618, 169236, 199009, 398018, 597027, 796036, 1194054, 1791081, 2388108, 3582162, 5373243, 7164324, 10746486, 21492972]

約数ペア:

[(1, 21492972), (2, 10746486), (3, 7164324), (4, 5373243), (6, 3582162), (9, 2388108), (12, 1791081), (18, 1194054), (27, 796036), (36, 597027), (54, 398018), (108, 199009), (127, 169236), (254, 84618), (381, 56412), (508, 42309), (762, 28206), (1143, 18804), (1524, 14103), (1567, 13716), (2286, 9402), (3134, 6858), (3429, 6268), (4572, 4701)]