21699738

素因数分解:

$2^1\times 3^4\times {\mathrm{133949}}^1$

素因数の和:133963

約数の個数: 20

約数和(自身を含む): 48623850

約数和(自身を除く): 26924112

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133949, 267898, 401847, 803694, 1205541, 2411082, 3616623, 7233246, 10849869, 21699738]

約数ペア:

[(1, 21699738), (2, 10849869), (3, 7233246), (6, 3616623), (9, 2411082), (18, 1205541), (27, 803694), (54, 401847), (81, 267898), (162, 133949)]