21365916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12451}}^1$

素因数の和:12482

約数の個数: 48

約数和(自身を含む): 58574208

約数和(自身を除く): 37208292

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12451, 24902, 37353, 49804, 74706, 136961, 149412, 161863, 273922, 323726, 410883, 485589, 547844, 647452, 821766, 971178, 1643532, 1780493, 1942356, 3560986, 5341479, 7121972, 10682958, 21365916]

約数ペア:

[(1, 21365916), (2, 10682958), (3, 7121972), (4, 5341479), (6, 3560986), (11, 1942356), (12, 1780493), (13, 1643532), (22, 971178), (26, 821766), (33, 647452), (39, 547844), (44, 485589), (52, 410883), (66, 323726), (78, 273922), (132, 161863), (143, 149412), (156, 136961), (286, 74706), (429, 49804), (572, 37353), (858, 24902), (1716, 12451)]