21394893

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2269

約数の個数: 24

約数和(自身を含む): 32530080

約数和(自身を除く): 11135187

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 2221, 3211, 6663, 9633, 28873, 42199, 86619, 126597, 375349, 548587, 1126047, 1645761, 7131631, 21394893]

約数ペア:

[(1, 21394893), (3, 7131631), (13, 1645761), (19, 1126047), (39, 548587), (57, 375349), (169, 126597), (247, 86619), (507, 42199), (741, 28873), (2221, 9633), (3211, 6663)]