21589656

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1543}}^1$

素因数の和:1616

約数の個数: 64

約数和(自身を含む): 60030720

約数和(自身を除く): 38441064

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 53, 66, 88, 106, 132, 159, 212, 264, 318, 424, 583, 636, 1166, 1272, 1543, 1749, 2332, 3086, 3498, 4629, 4664, 6172, 6996, 9258, 12344, 13992, 16973, 18516, 33946, 37032, 50919, 67892, 81779, 101838, 135784, 163558, 203676, 245337, 327116, 407352, 490674, 654232, 899569, 981348, 1799138, 1962696, 2698707, 3598276, 5397414, 7196552, 10794828, 21589656]

約数ペア:

[(1, 21589656), (2, 10794828), (3, 7196552), (4, 5397414), (6, 3598276), (8, 2698707), (11, 1962696), (12, 1799138), (22, 981348), (24, 899569), (33, 654232), (44, 490674), (53, 407352), (66, 327116), (88, 245337), (106, 203676), (132, 163558), (159, 135784), (212, 101838), (264, 81779), (318, 67892), (424, 50919), (583, 37032), (636, 33946), (1166, 18516), (1272, 16973), (1543, 13992), (1749, 12344), (2332, 9258), (3086, 6996), (3498, 6172), (4629, 4664)]