21753074

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 38966400

約数和(自身を除く): 17213326

約数列:

[1, 2, 7, 14, 29, 58, 131, 203, 262, 406, 409, 818, 917, 1834, 2863, 3799, 5726, 7598, 11861, 23722, 26593, 53186, 53579, 83027, 107158, 166054, 375053, 750106, 1553791, 3107582, 10876537, 21753074]

約数ペア:

[(1, 21753074), (2, 10876537), (7, 3107582), (14, 1553791), (29, 750106), (58, 375053), (131, 166054), (203, 107158), (262, 83027), (406, 53579), (409, 53186), (818, 26593), (917, 23722), (1834, 11861), (2863, 7598), (3799, 5726)]