21652029

素因数分解:

$3^6\times 7^1\times {\mathrm{4243}}^1$

素因数の和:4268

約数の個数: 28

約数和(自身を含む): 37109536

約数和(自身を除く): 15457507

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 4243, 5103, 12729, 29701, 38187, 89103, 114561, 267309, 343683, 801927, 1031049, 2405781, 3093147, 7217343, 21652029]

約数ペア:

[(1, 21652029), (3, 7217343), (7, 3093147), (9, 2405781), (21, 1031049), (27, 801927), (63, 343683), (81, 267309), (189, 114561), (243, 89103), (567, 38187), (729, 29701), (1701, 12729), (4243, 5103)]