21663532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4517}}^1$

素因数の和:4641

約数の個数: 24

約数和(自身を含む): 41746320

約数和(自身を除く): 20082788

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4517, 4796, 9034, 18068, 49687, 99374, 198748, 492353, 984706, 1969412, 5415883, 10831766, 21663532]

約数ペア:

[(1, 21663532), (2, 10831766), (4, 5415883), (11, 1969412), (22, 984706), (44, 492353), (109, 198748), (218, 99374), (436, 49687), (1199, 18068), (2398, 9034), (4517, 4796)]