21237124

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 38118080

約数和(自身を除く): 16880956

約数列:

[1, 2, 4, 67, 109, 134, 218, 268, 436, 727, 1454, 2908, 7303, 14606, 29212, 48709, 79243, 97418, 158486, 194836, 316972, 5309281, 10618562, 21237124]

約数ペア:

[(1, 21237124), (2, 10618562), (4, 5309281), (67, 316972), (109, 194836), (134, 158486), (218, 97418), (268, 79243), (436, 48709), (727, 29212), (1454, 14606), (2908, 7303)]