21673728

素因数分解:

$2^8\times 3^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:454

約数の個数: 108

約数和(自身を含む): 65367120

約数和(自身を除く): 43693392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 184, 192, 207, 256, 276, 288, 368, 384, 409, 414, 552, 576, 736, 768, 818, 828, 1104, 1152, 1227, 1472, 1636, 1656, 2208, 2304, 2454, 2944, 3272, 3312, 3681, 4416, 4908, 5888, 6544, 6624, 7362, 8832, 9407, 9816, 13088, 13248, 14724, 17664, 18814, 19632, 26176, 26496, 28221, 29448, 37628, 39264, 52352, 52992, 56442, 58896, 75256, 78528, 84663, 104704, 112884, 117792, 150512, 157056, 169326, 225768, 235584, 301024, 314112, 338652, 451536, 471168, 602048, 677304, 903072, 942336, 1204096, 1354608, 1806144, 2408192, 2709216, 3612288, 5418432, 7224576, 10836864, 21673728]

約数ペア:

[(1, 21673728), (2, 10836864), (3, 7224576), (4, 5418432), (6, 3612288), (8, 2709216), (9, 2408192), (12, 1806144), (16, 1354608), (18, 1204096), (23, 942336), (24, 903072), (32, 677304), (36, 602048), (46, 471168), (48, 451536), (64, 338652), (69, 314112), (72, 301024), (92, 235584), (96, 225768), (128, 169326), (138, 157056), (144, 150512), (184, 117792), (192, 112884), (207, 104704), (256, 84663), (276, 78528), (288, 75256), (368, 58896), (384, 56442), (409, 52992), (414, 52352), (552, 39264), (576, 37628), (736, 29448), (768, 28221), (818, 26496), (828, 26176), (1104, 19632), (1152, 18814), (1227, 17664), (1472, 14724), (1636, 13248), (1656, 13088), (2208, 9816), (2304, 9407), (2454, 8832), (2944, 7362), (3272, 6624), (3312, 6544), (3681, 5888), (4416, 4908)]