21532238

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{613}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 40022976

約数和(自身を除く): 18490738

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 193, 386, 613, 1226, 1351, 2509, 2702, 4291, 5018, 7969, 8582, 15938, 17563, 35126, 55783, 111566, 118309, 236618, 828163, 1538017, 1656326, 3076034, 10766119, 21532238]

約数ペア:

[(1, 21532238), (2, 10766119), (7, 3076034), (13, 1656326), (14, 1538017), (26, 828163), (91, 236618), (182, 118309), (193, 111566), (386, 55783), (613, 35126), (1226, 17563), (1351, 15938), (2509, 8582), (2702, 7969), (4291, 5018)]