21643414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2129}}^1$

素因数の和:2184

約数の個数: 32

約数和(自身を含む): 38646720

約数和(自身を除く): 17003306

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 2129, 4258, 5083, 10166, 27677, 36193, 48967, 55354, 72386, 97934, 470509, 636571, 832439, 941018, 1273142, 1664878, 10821707, 21643414]

約数ペア:

[(1, 21643414), (2, 10821707), (13, 1664878), (17, 1273142), (23, 941018), (26, 832439), (34, 636571), (46, 470509), (221, 97934), (299, 72386), (391, 55354), (442, 48967), (598, 36193), (782, 27677), (2129, 10166), (4258, 5083)]