21103599

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5867}}^1$

素因数の和:5990

約数の個数: 16

約数和(自身を含む): 30983040

約数和(自身を除く): 9879441

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5867, 17601, 64537, 193611, 639503, 1918509, 7034533, 21103599]

約数ペア:

[(1, 21103599), (3, 7034533), (11, 1918509), (33, 639503), (109, 193611), (327, 64537), (1199, 17601), (3597, 5867)]