21799162

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{401}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 40984704

約数和(自身を除く): 19185542

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 353, 401, 706, 802, 2471, 2807, 3883, 4411, 4942, 5614, 7766, 8822, 27181, 30877, 54362, 61754, 141553, 283106, 990871, 1557083, 1981742, 3114166, 10899581, 21799162]

約数ペア:

[(1, 21799162), (2, 10899581), (7, 3114166), (11, 1981742), (14, 1557083), (22, 990871), (77, 283106), (154, 141553), (353, 61754), (401, 54362), (706, 30877), (802, 27181), (2471, 8822), (2807, 7766), (3883, 5614), (4411, 4942)]