21917132

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{337}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 39180960

約数和(自身を除く): 17263828

約数列:

[1, 2, 4, 71, 142, 229, 284, 337, 458, 674, 916, 1348, 16259, 23927, 32518, 47854, 65036, 77173, 95708, 154346, 308692, 5479283, 10958566, 21917132]

約数ペア:

[(1, 21917132), (2, 10958566), (4, 5479283), (71, 308692), (142, 154346), (229, 95708), (284, 77173), (337, 65036), (458, 47854), (674, 32518), (916, 23927), (1348, 16259)]