21519552

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:398

約数の個数: 112

約数和(自身を含む): 63642240

約数和(自身を除く): 42122688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 38, 48, 51, 57, 64, 68, 76, 96, 102, 114, 136, 152, 192, 204, 228, 272, 304, 323, 347, 408, 456, 544, 608, 646, 694, 816, 912, 969, 1041, 1088, 1216, 1292, 1388, 1632, 1824, 1938, 2082, 2584, 2776, 3264, 3648, 3876, 4164, 5168, 5552, 5899, 6593, 7752, 8328, 10336, 11104, 11798, 13186, 15504, 16656, 17697, 19779, 20672, 22208, 23596, 26372, 31008, 33312, 35394, 39558, 47192, 52744, 62016, 66624, 70788, 79116, 94384, 105488, 112081, 141576, 158232, 188768, 210976, 224162, 283152, 316464, 336243, 377536, 421952, 448324, 566304, 632928, 672486, 896648, 1132608, 1265856, 1344972, 1793296, 2689944, 3586592, 5379888, 7173184, 10759776, 21519552]

約数ペア:

[(1, 21519552), (2, 10759776), (3, 7173184), (4, 5379888), (6, 3586592), (8, 2689944), (12, 1793296), (16, 1344972), (17, 1265856), (19, 1132608), (24, 896648), (32, 672486), (34, 632928), (38, 566304), (48, 448324), (51, 421952), (57, 377536), (64, 336243), (68, 316464), (76, 283152), (96, 224162), (102, 210976), (114, 188768), (136, 158232), (152, 141576), (192, 112081), (204, 105488), (228, 94384), (272, 79116), (304, 70788), (323, 66624), (347, 62016), (408, 52744), (456, 47192), (544, 39558), (608, 35394), (646, 33312), (694, 31008), (816, 26372), (912, 23596), (969, 22208), (1041, 20672), (1088, 19779), (1216, 17697), (1292, 16656), (1388, 15504), (1632, 13186), (1824, 11798), (1938, 11104), (2082, 10336), (2584, 8328), (2776, 7752), (3264, 6593), (3648, 5899), (3876, 5552), (4164, 5168)]