21332792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5003}}^1$

素因数の和:5063

約数の個数: 32

約数和(自身を含む): 44135280

約数和(自身を除く): 22802488

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 5003, 10006, 20012, 40024, 65039, 130078, 205123, 260156, 410246, 520312, 820492, 1640984, 2666599, 5333198, 10666396, 21332792]

約数ペア:

[(1, 21332792), (2, 10666396), (4, 5333198), (8, 2666599), (13, 1640984), (26, 820492), (41, 520312), (52, 410246), (82, 260156), (104, 205123), (164, 130078), (328, 65039), (533, 40024), (1066, 20012), (2132, 10006), (4264, 5003)]