21719949

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 29588160

約数和(自身を除く): 7868211

約数列:

[1, 3, 97, 101, 291, 303, 739, 2217, 9797, 29391, 71683, 74639, 215049, 223917, 7239983, 21719949]

約数ペア:

[(1, 21719949), (3, 7239983), (97, 223917), (101, 215049), (291, 74639), (303, 71683), (739, 29391), (2217, 9797)]