21479432

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12149}}^1$

素因数の和:12185

約数の個数: 32

約数和(自身を含む): 45927000

約数和(自身を除く): 24447568

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 12149, 24298, 48596, 97192, 157937, 206533, 315874, 413066, 631748, 826132, 1263496, 1652264, 2684929, 5369858, 10739716, 21479432]

約数ペア:

[(1, 21479432), (2, 10739716), (4, 5369858), (8, 2684929), (13, 1652264), (17, 1263496), (26, 826132), (34, 631748), (52, 413066), (68, 315874), (104, 206533), (136, 157937), (221, 97192), (442, 48596), (884, 24298), (1768, 12149)]