21000295701

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30303457}}^1$

素因数の和:30303481

約数の個数: 24

約数和(自身を含む): 37818715584

約数和(自身を除く): 16818419883

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30303457, 90910371, 212124199, 272731113, 333338027, 636372597, 1000014081, 1909117791, 2333366189, 3000042243, 7000098567, 21000295701]

約数ペア:

[(1, 21000295701), (3, 7000098567), (7, 3000042243), (9, 2333366189), (11, 1909117791), (21, 1000014081), (33, 636372597), (63, 333338027), (77, 272731113), (99, 212124199), (231, 90910371), (693, 30303457)]