21853338

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{557}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 47246976

約数和(自身を除く): 25393638

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 503, 557, 1006, 1114, 1509, 1671, 3018, 3342, 6539, 7241, 13078, 14482, 19617, 21723, 39234, 43446, 280171, 560342, 840513, 1681026, 3642223, 7284446, 10926669, 21853338]

約数ペア:

[(1, 21853338), (2, 10926669), (3, 7284446), (6, 3642223), (13, 1681026), (26, 840513), (39, 560342), (78, 280171), (503, 43446), (557, 39234), (1006, 21723), (1114, 19617), (1509, 14482), (1671, 13078), (3018, 7241), (3342, 6539)]