21166184

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{751}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 42954240

約数和(自身を除く): 21788056

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 751, 1084, 1502, 2168, 3004, 3523, 6008, 7046, 9763, 14092, 19526, 28184, 39052, 78104, 203521, 407042, 814084, 1628168, 2645773, 5291546, 10583092, 21166184]

約数ペア:

[(1, 21166184), (2, 10583092), (4, 5291546), (8, 2645773), (13, 1628168), (26, 814084), (52, 407042), (104, 203521), (271, 78104), (542, 39052), (751, 28184), (1084, 19526), (1502, 14092), (2168, 9763), (3004, 7046), (3523, 6008)]