21462903

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30971}}^1$

素因数の和:30995

約数の個数: 24

約数和(自身を含む): 38653056

約数和(自身を除く): 17190153

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30971, 92913, 216797, 278739, 340681, 650391, 1022043, 1951173, 2384767, 3066129, 7154301, 21462903]

約数ペア:

[(1, 21462903), (3, 7154301), (7, 3066129), (9, 2384767), (11, 1951173), (21, 1022043), (33, 650391), (63, 340681), (77, 278739), (99, 216797), (231, 92913), (693, 30971)]