21889162

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 13592438

約数列:

[1, 2, 31, 41, 62, 79, 82, 109, 158, 218, 1271, 2449, 2542, 3239, 3379, 4469, 4898, 6478, 6758, 8611, 8938, 17222, 100409, 138539, 200818, 266941, 277078, 353051, 533882, 706102, 10944581, 21889162]

約数ペア:

[(1, 21889162), (2, 10944581), (31, 706102), (41, 533882), (62, 353051), (79, 277078), (82, 266941), (109, 200818), (158, 138539), (218, 100409), (1271, 17222), (2449, 8938), (2542, 8611), (3239, 6758), (3379, 6478), (4469, 4898)]