21373863

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1613}}^1$

素因数の和:2254

約数の個数: 16

約数和(自身を含む): 32641536

約数和(自身を除く): 11267673

約数列:

[1, 3, 7, 21, 631, 1613, 1893, 4417, 4839, 11291, 13251, 33873, 1017803, 3053409, 7124621, 21373863]

約数ペア:

[(1, 21373863), (3, 7124621), (7, 3053409), (21, 1017803), (631, 33873), (1613, 13251), (1893, 11291), (4417, 4839)]