21879072

素因数分解:

$2^5\times 3^4\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:412

約数の個数: 120

約数和(自身を含む): 67326336

約数和(自身を除く): 45447264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 276, 288, 324, 367, 368, 414, 432, 552, 621, 648, 734, 736, 828, 864, 1101, 1104, 1242, 1296, 1468, 1656, 1863, 2202, 2208, 2484, 2592, 2936, 3303, 3312, 3726, 4404, 4968, 5872, 6606, 6624, 7452, 8441, 8808, 9909, 9936, 11744, 13212, 14904, 16882, 17616, 19818, 19872, 25323, 26424, 29727, 29808, 33764, 35232, 39636, 50646, 52848, 59454, 59616, 67528, 75969, 79272, 101292, 105696, 118908, 135056, 151938, 158544, 202584, 227907, 237816, 270112, 303876, 317088, 405168, 455814, 475632, 607752, 683721, 810336, 911628, 951264, 1215504, 1367442, 1823256, 2431008, 2734884, 3646512, 5469768, 7293024, 10939536, 21879072]

約数ペア:

[(1, 21879072), (2, 10939536), (3, 7293024), (4, 5469768), (6, 3646512), (8, 2734884), (9, 2431008), (12, 1823256), (16, 1367442), (18, 1215504), (23, 951264), (24, 911628), (27, 810336), (32, 683721), (36, 607752), (46, 475632), (48, 455814), (54, 405168), (69, 317088), (72, 303876), (81, 270112), (92, 237816), (96, 227907), (108, 202584), (138, 158544), (144, 151938), (162, 135056), (184, 118908), (207, 105696), (216, 101292), (276, 79272), (288, 75969), (324, 67528), (367, 59616), (368, 59454), (414, 52848), (432, 50646), (552, 39636), (621, 35232), (648, 33764), (734, 29808), (736, 29727), (828, 26424), (864, 25323), (1101, 19872), (1104, 19818), (1242, 17616), (1296, 16882), (1468, 14904), (1656, 13212), (1863, 11744), (2202, 9936), (2208, 9909), (2484, 8808), (2592, 8441), (2936, 7452), (3303, 6624), (3312, 6606), (3726, 5872), (4404, 4968)]