21166548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{563}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 53503296

約数和(自身を除く): 32336748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 241, 482, 563, 723, 964, 1126, 1446, 1689, 2252, 2892, 3133, 3378, 6266, 6756, 7319, 9399, 12532, 14638, 18798, 21957, 29276, 37596, 43914, 87828, 135683, 271366, 407049, 542732, 814098, 1628196, 1763879, 3527758, 5291637, 7055516, 10583274, 21166548]

約数ペア:

[(1, 21166548), (2, 10583274), (3, 7055516), (4, 5291637), (6, 3527758), (12, 1763879), (13, 1628196), (26, 814098), (39, 542732), (52, 407049), (78, 271366), (156, 135683), (241, 87828), (482, 43914), (563, 37596), (723, 29276), (964, 21957), (1126, 18798), (1446, 14638), (1689, 12532), (2252, 9399), (2892, 7319), (3133, 6756), (3378, 6266)]