21761568

素因数分解:

$2^5\times 3^3\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 64411200

約数和(自身を除く): 42649632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 89, 96, 108, 144, 178, 216, 267, 283, 288, 356, 432, 534, 566, 712, 801, 849, 864, 1068, 1132, 1424, 1602, 1698, 2136, 2264, 2403, 2547, 2848, 3204, 3396, 4272, 4528, 4806, 5094, 6408, 6792, 7641, 8544, 9056, 9612, 10188, 12816, 13584, 15282, 19224, 20376, 25187, 25632, 27168, 30564, 38448, 40752, 50374, 61128, 75561, 76896, 81504, 100748, 122256, 151122, 201496, 226683, 244512, 302244, 402992, 453366, 604488, 680049, 805984, 906732, 1208976, 1360098, 1813464, 2417952, 2720196, 3626928, 5440392, 7253856, 10880784, 21761568]

約数ペア:

[(1, 21761568), (2, 10880784), (3, 7253856), (4, 5440392), (6, 3626928), (8, 2720196), (9, 2417952), (12, 1813464), (16, 1360098), (18, 1208976), (24, 906732), (27, 805984), (32, 680049), (36, 604488), (48, 453366), (54, 402992), (72, 302244), (89, 244512), (96, 226683), (108, 201496), (144, 151122), (178, 122256), (216, 100748), (267, 81504), (283, 76896), (288, 75561), (356, 61128), (432, 50374), (534, 40752), (566, 38448), (712, 30564), (801, 27168), (849, 25632), (864, 25187), (1068, 20376), (1132, 19224), (1424, 15282), (1602, 13584), (1698, 12816), (2136, 10188), (2264, 9612), (2403, 9056), (2547, 8544), (2848, 7641), (3204, 6792), (3396, 6408), (4272, 5094), (4528, 4806)]