21325824

素因数分解:

$2^{11}\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 67076100

約数和(自身を除く): 45750276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 89, 96, 104, 117, 128, 144, 156, 178, 192, 208, 234, 256, 267, 288, 312, 356, 384, 416, 468, 512, 534, 576, 624, 712, 768, 801, 832, 936, 1024, 1068, 1152, 1157, 1248, 1424, 1536, 1602, 1664, 1872, 2048, 2136, 2304, 2314, 2496, 2848, 3072, 3204, 3328, 3471, 3744, 4272, 4608, 4628, 4992, 5696, 6144, 6408, 6656, 6942, 7488, 8544, 9216, 9256, 9984, 10413, 11392, 12816, 13312, 13884, 14976, 17088, 18432, 18512, 19968, 20826, 22784, 25632, 26624, 27768, 29952, 34176, 37024, 39936, 41652, 45568, 51264, 55536, 59904, 68352, 74048, 79872, 83304, 91136, 102528, 111072, 119808, 136704, 148096, 166608, 182272, 205056, 222144, 239616, 273408, 296192, 333216, 410112, 444288, 546816, 592384, 666432, 820224, 888576, 1184768, 1332864, 1640448, 1777152, 2369536, 2665728, 3554304, 5331456, 7108608, 10662912, 21325824]

約数ペア:

[(1, 21325824), (2, 10662912), (3, 7108608), (4, 5331456), (6, 3554304), (8, 2665728), (9, 2369536), (12, 1777152), (13, 1640448), (16, 1332864), (18, 1184768), (24, 888576), (26, 820224), (32, 666432), (36, 592384), (39, 546816), (48, 444288), (52, 410112), (64, 333216), (72, 296192), (78, 273408), (89, 239616), (96, 222144), (104, 205056), (117, 182272), (128, 166608), (144, 148096), (156, 136704), (178, 119808), (192, 111072), (208, 102528), (234, 91136), (256, 83304), (267, 79872), (288, 74048), (312, 68352), (356, 59904), (384, 55536), (416, 51264), (468, 45568), (512, 41652), (534, 39936), (576, 37024), (624, 34176), (712, 29952), (768, 27768), (801, 26624), (832, 25632), (936, 22784), (1024, 20826), (1068, 19968), (1152, 18512), (1157, 18432), (1248, 17088), (1424, 14976), (1536, 13884), (1602, 13312), (1664, 12816), (1872, 11392), (2048, 10413), (2136, 9984), (2304, 9256), (2314, 9216), (2496, 8544), (2848, 7488), (3072, 6942), (3204, 6656), (3328, 6408), (3471, 6144), (3744, 5696), (4272, 4992), (4608, 4628)]