21950071

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 27417600

約数和(自身を除く): 5467529

約数列:

[1, 11, 13, 29, 67, 79, 143, 319, 377, 737, 869, 871, 1027, 1943, 2291, 4147, 5293, 9581, 11297, 21373, 25201, 25259, 29783, 58223, 68809, 153497, 277849, 327613, 756899, 1688467, 1995461, 21950071]

約数ペア:

[(1, 21950071), (11, 1995461), (13, 1688467), (29, 756899), (67, 327613), (79, 277849), (143, 153497), (319, 68809), (377, 58223), (737, 29783), (869, 25259), (871, 25201), (1027, 21373), (1943, 11297), (2291, 9581), (4147, 5293)]