21000723292803

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{6221}}^1\times {\mathrm{80141}}^1$

素因数の和:87123

約数の個数: 32

約数和(自身を含む): 29519696620800

約数和(自身を除く): 8518973327997

約数列:

[1, 3, 19, 57, 739, 2217, 6221, 14041, 18663, 42123, 80141, 118199, 240423, 354597, 1522679, 4568037, 4597319, 13791957, 59224199, 87349061, 177672597, 262047183, 498557161, 1125259781, 1495671483, 3375779343, 9472586059, 28417758177, 368433741979, 1105301225937, 7000241097601, 21000723292803]

約数ペア:

[(1, 21000723292803), (3, 7000241097601), (19, 1105301225937), (57, 368433741979), (739, 28417758177), (2217, 9472586059), (6221, 3375779343), (14041, 1495671483), (18663, 1125259781), (42123, 498557161), (80141, 262047183), (118199, 177672597), (240423, 87349061), (354597, 59224199), (1522679, 13791957), (4568037, 4597319)]