21167883303

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9980143}}^1$

素因数の和:9980254

約数の個数: 16

約数和(自身を含む): 32575190016

約数和(自身を除く): 11407306713

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 9980143, 29940429, 69861001, 209583003, 1007994443, 3023983329, 7055961101, 21167883303]

約数ペア:

[(1, 21167883303), (3, 7055961101), (7, 3023983329), (21, 1007994443), (101, 209583003), (303, 69861001), (707, 29940429), (2121, 9980143)]