21313422482

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{645431}}^1$

素因数の和:645542

約数の個数: 32

約数和(自身を含む): 37176883200

約数和(自身を除く): 15863460718

約数列:

[1, 2, 11, 19, 22, 38, 79, 158, 209, 418, 869, 1501, 1738, 3002, 16511, 33022, 645431, 1290862, 7099741, 12263189, 14199482, 24526378, 50989049, 101978098, 134895079, 269790158, 560879539, 968791931, 1121759078, 1937583862, 10656711241, 21313422482]

約数ペア:

[(1, 21313422482), (2, 10656711241), (11, 1937583862), (19, 1121759078), (22, 968791931), (38, 560879539), (79, 269790158), (158, 134895079), (209, 101978098), (418, 50989049), (869, 24526378), (1501, 14199482), (1738, 12263189), (3002, 7099741), (16511, 1290862), (33022, 645431)]