21377905886

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{8731}}^1$

素因数の和:9248

約数の個数: 32

約数和(自身を含む): 33361549056

約数和(自身を除く): 11983643170

約数列:

[1, 2, 43, 71, 86, 142, 401, 802, 3053, 6106, 8731, 17243, 17462, 28471, 34486, 56942, 375433, 619901, 750866, 1224253, 1239802, 2448506, 3501131, 7002262, 26655743, 53311486, 150548633, 248580301, 301097266, 497160602, 10688952943, 21377905886]

約数ペア:

[(1, 21377905886), (2, 10688952943), (43, 497160602), (71, 301097266), (86, 248580301), (142, 150548633), (401, 53311486), (802, 26655743), (3053, 7002262), (6106, 3501131), (8731, 2448506), (17243, 1239802), (17462, 1224253), (28471, 750866), (34486, 619901), (56942, 375433)]