21091466

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 35985600

約数和(自身を除く): 14894134

約数列:

[1, 2, 11, 22, 41, 67, 82, 134, 349, 451, 698, 737, 902, 1474, 2747, 3839, 5494, 7678, 14309, 23383, 28618, 30217, 46766, 60434, 157399, 257213, 314798, 514426, 958703, 1917406, 10545733, 21091466]

約数ペア:

[(1, 21091466), (2, 10545733), (11, 1917406), (22, 958703), (41, 514426), (67, 314798), (82, 257213), (134, 157399), (349, 60434), (451, 46766), (698, 30217), (737, 28618), (902, 23383), (1474, 14309), (2747, 7678), (3839, 5494)]