21035392

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1419

約数の個数: 64

約数和(自身を含む): 50747040

約数和(自身を除く): 29711648

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 272, 448, 476, 544, 896, 952, 1088, 1381, 1904, 2176, 2762, 3808, 5524, 7616, 9667, 11048, 15232, 19334, 22096, 23477, 38668, 44192, 46954, 77336, 88384, 93908, 154672, 164339, 176768, 187816, 309344, 328678, 375632, 618688, 657356, 751264, 1237376, 1314712, 1502528, 2629424, 3005056, 5258848, 10517696, 21035392]

約数ペア:

[(1, 21035392), (2, 10517696), (4, 5258848), (7, 3005056), (8, 2629424), (14, 1502528), (16, 1314712), (17, 1237376), (28, 751264), (32, 657356), (34, 618688), (56, 375632), (64, 328678), (68, 309344), (112, 187816), (119, 176768), (128, 164339), (136, 154672), (224, 93908), (238, 88384), (272, 77336), (448, 46954), (476, 44192), (544, 38668), (896, 23477), (952, 22096), (1088, 19334), (1381, 15232), (1904, 11048), (2176, 9667), (2762, 7616), (3808, 5524)]