21618844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{5009}}^1$

素因数の和:5109

約数の個数: 24

約数和(自身を含む): 41242320

約数和(自身を除く): 19623476

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 5009, 10018, 20036, 65117, 130234, 260468, 415747, 831494, 1662988, 5404711, 10809422, 21618844]

約数ペア:

[(1, 21618844), (2, 10809422), (4, 5404711), (13, 1662988), (26, 831494), (52, 415747), (83, 260468), (166, 130234), (332, 65117), (1079, 20036), (2158, 10018), (4316, 5009)]