21065062

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 34128864

約数和(自身を除く): 13063802

約数列:

[1, 2, 37, 41, 53, 74, 82, 106, 131, 262, 1517, 1961, 2173, 3034, 3922, 4346, 4847, 5371, 6943, 9694, 10742, 13886, 80401, 160802, 198727, 256891, 284663, 397454, 513782, 569326, 10532531, 21065062]

約数ペア:

[(1, 21065062), (2, 10532531), (37, 569326), (41, 513782), (53, 397454), (74, 284663), (82, 256891), (106, 198727), (131, 160802), (262, 80401), (1517, 13886), (1961, 10742), (2173, 9694), (3034, 6943), (3922, 5371), (4346, 4847)]