21713464

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{617}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 42048720

約数和(自身を除く): 20335256

約数列:

[1, 2, 4, 8, 53, 83, 106, 166, 212, 332, 424, 617, 664, 1234, 2468, 4399, 4936, 8798, 17596, 32701, 35192, 51211, 65402, 102422, 130804, 204844, 261608, 409688, 2714183, 5428366, 10856732, 21713464]

約数ペア:

[(1, 21713464), (2, 10856732), (4, 5428366), (8, 2714183), (53, 409688), (83, 261608), (106, 204844), (166, 130804), (212, 102422), (332, 65402), (424, 51211), (617, 35192), (664, 32701), (1234, 17596), (2468, 8798), (4399, 4936)]