21707972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37951}}^1$

素因数の和:37979

約数の個数: 24

約数和(自身を含む): 44631552

約数和(自身を除く): 22923580

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37951, 75902, 151804, 417461, 493363, 834922, 986726, 1669844, 1973452, 5426993, 10853986, 21707972]

約数ペア:

[(1, 21707972), (2, 10853986), (4, 5426993), (11, 1973452), (13, 1669844), (22, 986726), (26, 834922), (44, 493363), (52, 417461), (143, 151804), (286, 75902), (572, 37951)]