21343281110

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1\times {\mathrm{32009}}^1$

素因数の和:32656

約数の個数: 32

約数和(自身を含む): 38788437600

約数和(自身を除く): 17445156490

約数列:

[1, 2, 5, 10, 131, 262, 509, 655, 1018, 1310, 2545, 5090, 32009, 64018, 66679, 133358, 160045, 320090, 333395, 666790, 4193179, 8386358, 16292581, 20965895, 32585162, 41931790, 81462905, 162925810, 2134328111, 4268656222, 10671640555, 21343281110]

約数ペア:

[(1, 21343281110), (2, 10671640555), (5, 4268656222), (10, 2134328111), (131, 162925810), (262, 81462905), (509, 41931790), (655, 32585162), (1018, 20965895), (1310, 16292581), (2545, 8386358), (5090, 4193179), (32009, 666790), (64018, 333395), (66679, 320090), (133358, 160045)]