21738976

素因数分解:

$2^5\times 7^1\times {\mathrm{107}}^1\times {\mathrm{907}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 49424256

約数和(自身を除く): 27685280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 107, 112, 214, 224, 428, 749, 856, 907, 1498, 1712, 1814, 2996, 3424, 3628, 5992, 6349, 7256, 11984, 12698, 14512, 23968, 25396, 29024, 50792, 97049, 101584, 194098, 203168, 388196, 679343, 776392, 1358686, 1552784, 2717372, 3105568, 5434744, 10869488, 21738976]

約数ペア:

[(1, 21738976), (2, 10869488), (4, 5434744), (7, 3105568), (8, 2717372), (14, 1552784), (16, 1358686), (28, 776392), (32, 679343), (56, 388196), (107, 203168), (112, 194098), (214, 101584), (224, 97049), (428, 50792), (749, 29024), (856, 25396), (907, 23968), (1498, 14512), (1712, 12698), (1814, 11984), (2996, 7256), (3424, 6349), (3628, 5992)]