21137856

素因数分解:

$2^6\times 3^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^1$

素因数の和:1341

約数の個数: 56

約数和(自身を含む): 56601360

約数和(自身を除く): 35463504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 89, 96, 178, 192, 267, 356, 534, 712, 1068, 1237, 1424, 2136, 2474, 2848, 3711, 4272, 4948, 5696, 7422, 8544, 9896, 14844, 17088, 19792, 29688, 39584, 59376, 79168, 110093, 118752, 220186, 237504, 330279, 440372, 660558, 880744, 1321116, 1761488, 2642232, 3522976, 5284464, 7045952, 10568928, 21137856]

約数ペア:

[(1, 21137856), (2, 10568928), (3, 7045952), (4, 5284464), (6, 3522976), (8, 2642232), (12, 1761488), (16, 1321116), (24, 880744), (32, 660558), (48, 440372), (64, 330279), (89, 237504), (96, 220186), (178, 118752), (192, 110093), (267, 79168), (356, 59376), (534, 39584), (712, 29688), (1068, 19792), (1237, 17088), (1424, 14844), (2136, 9896), (2474, 8544), (2848, 7422), (3711, 5696), (4272, 4948)]