21343652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 21899548

約数列:

[1, 2, 4, 11, 22, 29, 43, 44, 58, 86, 116, 172, 319, 389, 473, 638, 778, 946, 1247, 1276, 1556, 1892, 2494, 4279, 4988, 8558, 11281, 13717, 16727, 17116, 22562, 27434, 33454, 45124, 54868, 66908, 124091, 183997, 248182, 367994, 485083, 496364, 735988, 970166, 1940332, 5335913, 10671826, 21343652]

約数ペア:

[(1, 21343652), (2, 10671826), (4, 5335913), (11, 1940332), (22, 970166), (29, 735988), (43, 496364), (44, 485083), (58, 367994), (86, 248182), (116, 183997), (172, 124091), (319, 66908), (389, 54868), (473, 45124), (638, 33454), (778, 27434), (946, 22562), (1247, 17116), (1276, 16727), (1556, 13717), (1892, 11281), (2494, 8558), (4279, 4988)]