21298882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 14859518

約数列:

[1, 2, 11, 22, 59, 61, 118, 122, 269, 538, 649, 671, 1298, 1342, 2959, 3599, 5918, 7198, 15871, 16409, 31742, 32818, 39589, 79178, 174581, 180499, 349162, 360998, 968131, 1936262, 10649441, 21298882]

約数ペア:

[(1, 21298882), (2, 10649441), (11, 1936262), (22, 968131), (59, 360998), (61, 349162), (118, 180499), (122, 174581), (269, 79178), (538, 39589), (649, 32818), (671, 31742), (1298, 16409), (1342, 15871), (2959, 7198), (3599, 5918)]