20210463

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24677}}^1$

素因数の和:24703

約数の個数: 24

約数和(自身を含む): 35931168

約数和(自身を除く): 15720705

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24677, 74031, 172739, 222093, 320801, 518217, 962403, 1554651, 2245607, 2887209, 6736821, 20210463]

約数ペア:

[(1, 20210463), (3, 6736821), (7, 2887209), (9, 2245607), (13, 1554651), (21, 962403), (39, 518217), (63, 320801), (91, 222093), (117, 172739), (273, 74031), (819, 24677)]