21156597

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30529}}^1$

素因数の和:30553

約数の個数: 24

約数和(自身を含む): 38101440

約数和(自身を除く): 16944843

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30529, 91587, 213703, 274761, 335819, 641109, 1007457, 1923327, 2350733, 3022371, 7052199, 21156597]

約数ペア:

[(1, 21156597), (3, 7052199), (7, 3022371), (9, 2350733), (11, 1923327), (21, 1007457), (33, 641109), (63, 335819), (77, 274761), (99, 213703), (231, 91587), (693, 30529)]