21928712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{210853}}^1$

素因数の和:210872

約数の個数: 16

約数和(自身を含む): 44279340

約数和(自身を除く): 22350628

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 210853, 421706, 843412, 1686824, 2741089, 5482178, 10964356, 21928712]

約数ペア:

[(1, 21928712), (2, 10964356), (4, 5482178), (8, 2741089), (13, 1686824), (26, 843412), (52, 421706), (104, 210853)]