21152306

素因数分解:

$2^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{2131}}^1$

素因数の和:2849

約数の個数: 16

約数和(自身を含む): 36329280

約数和(自身を除く): 15176974

約数列:

[1, 2, 7, 14, 709, 1418, 2131, 4262, 4963, 9926, 14917, 29834, 1510879, 3021758, 10576153, 21152306]

約数ペア:

[(1, 21152306), (2, 10576153), (7, 3021758), (14, 1510879), (709, 29834), (1418, 14917), (2131, 9926), (4262, 4963)]