21482864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{577}}^1$

素因数の和:777

約数の個数: 40

約数和(自身を含む): 45153360

約数和(自身を除く): 23670496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 179, 208, 358, 577, 716, 1154, 1432, 2308, 2327, 2864, 4616, 4654, 7501, 9232, 9308, 15002, 18616, 30004, 37232, 60008, 103283, 120016, 206566, 413132, 826264, 1342679, 1652528, 2685358, 5370716, 10741432, 21482864]

約数ペア:

[(1, 21482864), (2, 10741432), (4, 5370716), (8, 2685358), (13, 1652528), (16, 1342679), (26, 826264), (52, 413132), (104, 206566), (179, 120016), (208, 103283), (358, 60008), (577, 37232), (716, 30004), (1154, 18616), (1432, 15002), (2308, 9308), (2327, 9232), (2864, 7501), (4616, 4654)]