21355059

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{991}}^1$

素因数の和:1658

約数の個数: 16

約数和(自身を含む): 31140864

約数和(自身を除く): 9785805

約数列:

[1, 3, 11, 33, 653, 991, 1959, 2973, 7183, 10901, 21549, 32703, 647123, 1941369, 7118353, 21355059]

約数ペア:

[(1, 21355059), (3, 7118353), (11, 1941369), (33, 647123), (653, 32703), (991, 21549), (1959, 10901), (2973, 7183)]