21000604839

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{4001}}^1\times {\mathrm{22147}}^1$

素因数の和:26230

約数の個数: 16

約数和(自身を含む): 28363614720

約数和(自身を除く): 7363009881

約数列:

[1, 3, 79, 237, 4001, 12003, 22147, 66441, 316079, 948237, 1749613, 5248839, 88610147, 265830441, 7000201613, 21000604839]

約数ペア:

[(1, 21000604839), (3, 7000201613), (79, 265830441), (237, 88610147), (4001, 5248839), (12003, 1749613), (22147, 948237), (66441, 316079)]