21509112

素因数分解:

$2^3\times 3^1\times {\mathrm{557}}^1\times {\mathrm{1609}}^1$

素因数の和:2175

約数の個数: 32

約数和(自身を含む): 53902800

約数和(自身を除く): 32393688

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 557, 1114, 1609, 1671, 2228, 3218, 3342, 4456, 4827, 6436, 6684, 9654, 12872, 13368, 19308, 38616, 896213, 1792426, 2688639, 3584852, 5377278, 7169704, 10754556, 21509112]

約数ペア:

[(1, 21509112), (2, 10754556), (3, 7169704), (4, 5377278), (6, 3584852), (8, 2688639), (12, 1792426), (24, 896213), (557, 38616), (1114, 19308), (1609, 13368), (1671, 12872), (2228, 9654), (3218, 6684), (3342, 6436), (4456, 4827)]