21459484

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{593}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 38419920

約数和(自身を除く): 16960436

約数列:

[1, 2, 4, 83, 109, 166, 218, 332, 436, 593, 1186, 2372, 9047, 18094, 36188, 49219, 64637, 98438, 129274, 196876, 258548, 5364871, 10729742, 21459484]

約数ペア:

[(1, 21459484), (2, 10729742), (4, 5364871), (83, 258548), (109, 196876), (166, 129274), (218, 98438), (332, 64637), (436, 49219), (593, 36188), (1186, 18094), (2372, 9047)]