21361226

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{6949}}^1$

素因数の和:7033

約数の個数: 16

約数和(自身を含む): 33777000

約数和(自身を除く): 12415774

約数列:

[1, 2, 29, 53, 58, 106, 1537, 3074, 6949, 13898, 201521, 368297, 403042, 736594, 10680613, 21361226]

約数ペア:

[(1, 21361226), (2, 10680613), (29, 736594), (53, 403042), (58, 368297), (106, 201521), (1537, 13898), (3074, 6949)]