21864514

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 16911806

約数列:

[1, 2, 7, 14, 53, 79, 106, 158, 371, 373, 553, 742, 746, 1106, 2611, 4187, 5222, 8374, 19769, 29309, 29467, 39538, 58618, 58934, 138383, 206269, 276766, 412538, 1561751, 3123502, 10932257, 21864514]

約数ペア:

[(1, 21864514), (2, 10932257), (7, 3123502), (14, 1561751), (53, 412538), (79, 276766), (106, 206269), (158, 138383), (371, 58934), (373, 58618), (553, 39538), (742, 29467), (746, 29309), (1106, 19769), (2611, 8374), (4187, 5222)]