21936526

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1384

約数の個数: 24

約数和(自身を含む): 36265104

約数和(自身を除く): 14328578

約数列:

[1, 2, 19, 23, 38, 46, 361, 437, 722, 874, 1321, 2642, 8303, 16606, 25099, 30383, 50198, 60766, 476881, 577277, 953762, 1154554, 10968263, 21936526]

約数ペア:

[(1, 21936526), (2, 10968263), (19, 1154554), (23, 953762), (38, 577277), (46, 476881), (361, 60766), (437, 50198), (722, 30383), (874, 25099), (1321, 16606), (2642, 8303)]