21845973370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1\times {\mathrm{194723}}^1$

素因数の和:195606

約数の個数: 32

約数和(自身を含む): 42396867072

約数和(自身を除く): 20550893702

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 863, 1726, 4315, 8630, 11219, 22438, 56095, 112190, 194723, 389446, 973615, 1947230, 2531399, 5062798, 12656995, 25313990, 168045949, 336091898, 840229745, 1680459490, 2184597337, 4369194674, 10922986685, 21845973370]

約数ペア:

[(1, 21845973370), (2, 10922986685), (5, 4369194674), (10, 2184597337), (13, 1680459490), (26, 840229745), (65, 336091898), (130, 168045949), (863, 25313990), (1726, 12656995), (4315, 5062798), (8630, 2531399), (11219, 1947230), (22438, 973615), (56095, 389446), (112190, 194723)]