2021029647

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1057577}}^1$

素因数の和:1057607

約数の個数: 24

約数和(自身を含む): 3375788976

約数和(自身を除く): 1354759329

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 1057577, 3172731, 7403039, 13748501, 22209117, 41245503, 51821273, 96239507, 155463819, 288718521, 673676549, 2021029647]

約数ペア:

[(1, 2021029647), (3, 673676549), (7, 288718521), (13, 155463819), (21, 96239507), (39, 51821273), (49, 41245503), (91, 22209117), (147, 13748501), (273, 7403039), (637, 3172731), (1911, 1057577)]