21670844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1201}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 40993008

約数和(自身を除く): 19322164

約数列:

[1, 2, 4, 13, 26, 52, 347, 694, 1201, 1388, 2402, 4511, 4804, 9022, 15613, 18044, 31226, 62452, 416747, 833494, 1666988, 5417711, 10835422, 21670844]

約数ペア:

[(1, 21670844), (2, 10835422), (4, 5417711), (13, 1666988), (26, 833494), (52, 416747), (347, 62452), (694, 31226), (1201, 18044), (1388, 15613), (2402, 9022), (4511, 4804)]