21301472

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4789}}^1$

素因数の和:4938

約数の個数: 24

約数和(自身を含む): 42247800

約数和(自身を除く): 20946328

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4789, 9578, 19156, 38312, 76624, 153248, 665671, 1331342, 2662684, 5325368, 10650736, 21301472]

約数ペア:

[(1, 21301472), (2, 10650736), (4, 5325368), (8, 2662684), (16, 1331342), (32, 665671), (139, 153248), (278, 76624), (556, 38312), (1112, 19156), (2224, 9578), (4448, 4789)]