21007243345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{613}}^1\times {\mathrm{2953}}^1$

素因数の和:3793

約数の個数: 32

約数和(自身を含む): 27685171584

約数和(自身を除く): 6677928239

約数列:

[1, 5, 11, 55, 211, 613, 1055, 2321, 2953, 3065, 6743, 11605, 14765, 32483, 33715, 129343, 162415, 623083, 646715, 1422773, 1810189, 3115415, 6853913, 7113865, 9050945, 19912079, 34269565, 99560395, 381949879, 1909749395, 4201448669, 21007243345]

約数ペア:

[(1, 21007243345), (5, 4201448669), (11, 1909749395), (55, 381949879), (211, 99560395), (613, 34269565), (1055, 19912079), (2321, 9050945), (2953, 7113865), (3065, 6853913), (6743, 3115415), (11605, 1810189), (14765, 1422773), (32483, 646715), (33715, 623083), (129343, 162415)]