21265408

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{1093}}^1$

素因数の和:1132

約数の個数: 44

約数和(自身を含む): 44788360

約数和(自身を除く): 23522952

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1093, 1216, 2186, 2432, 4372, 4864, 8744, 9728, 17488, 19456, 20767, 34976, 41534, 69952, 83068, 139904, 166136, 279808, 332272, 559616, 664544, 1119232, 1329088, 2658176, 5316352, 10632704, 21265408]

約数ペア:

[(1, 21265408), (2, 10632704), (4, 5316352), (8, 2658176), (16, 1329088), (19, 1119232), (32, 664544), (38, 559616), (64, 332272), (76, 279808), (128, 166136), (152, 139904), (256, 83068), (304, 69952), (512, 41534), (608, 34976), (1024, 20767), (1093, 19456), (1216, 17488), (2186, 9728), (2432, 8744), (4372, 4864)]