21031610859

素因数分解:

$3^2\times 7^1\times {\mathrm{3109}}^1\times {\mathrm{107377}}^1$

素因数の和:110499

約数の個数: 24

約数和(自身を含む): 34730340320

約数和(自身を除く): 13698729461

約数列:

[1, 3, 7, 9, 21, 63, 3109, 9327, 21763, 27981, 65289, 107377, 195867, 322131, 751639, 966393, 2254917, 6764751, 333835093, 1001505279, 2336845651, 3004515837, 7010536953, 21031610859]

約数ペア:

[(1, 21031610859), (3, 7010536953), (7, 3004515837), (9, 2336845651), (21, 1001505279), (63, 333835093), (3109, 6764751), (9327, 2254917), (21763, 966393), (27981, 751639), (65289, 322131), (107377, 195867)]