21272418

素因数分解:

$2^1\times 3^2\times {\mathrm{101}}^1\times {\mathrm{11701}}^1$

素因数の和:11810

約数の個数: 24

約数和(自身を含む): 46550556

約数和(自身を除く): 25278138

約数列:

[1, 2, 3, 6, 9, 18, 101, 202, 303, 606, 909, 1818, 11701, 23402, 35103, 70206, 105309, 210618, 1181801, 2363602, 3545403, 7090806, 10636209, 21272418]

約数ペア:

[(1, 21272418), (2, 10636209), (3, 7090806), (6, 3545403), (9, 2363602), (18, 1181801), (101, 210618), (202, 105309), (303, 70206), (606, 35103), (909, 23402), (1818, 11701)]