21863036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{971}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 41341104

約数和(自身を除く): 19478068

約数列:

[1, 2, 4, 13, 26, 52, 433, 866, 971, 1732, 1942, 3884, 5629, 11258, 12623, 22516, 25246, 50492, 420443, 840886, 1681772, 5465759, 10931518, 21863036]

約数ペア:

[(1, 21863036), (2, 10931518), (4, 5465759), (13, 1681772), (26, 840886), (52, 420443), (433, 50492), (866, 25246), (971, 22516), (1732, 12623), (1942, 11258), (3884, 5629)]