21102516

素因数分解:

$2^2\times 3^2\times {\mathrm{419}}^1\times {\mathrm{1399}}^1$

素因数の和:1828

約数の個数: 36

約数和(自身を含む): 53508000

約数和(自身を除く): 32405484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 419, 838, 1257, 1399, 1676, 2514, 2798, 3771, 4197, 5028, 5596, 7542, 8394, 12591, 15084, 16788, 25182, 50364, 586181, 1172362, 1758543, 2344724, 3517086, 5275629, 7034172, 10551258, 21102516]

約数ペア:

[(1, 21102516), (2, 10551258), (3, 7034172), (4, 5275629), (6, 3517086), (9, 2344724), (12, 1758543), (18, 1172362), (36, 586181), (419, 50364), (838, 25182), (1257, 16788), (1399, 15084), (1676, 12591), (2514, 8394), (2798, 7542), (3771, 5596), (4197, 5028)]