21541170049

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1\times {\mathrm{1549}}^1$

素因数の和:2629

約数の個数: 32

約数和(自身を含む): 25769779200

約数和(自身を除く): 4228609151

約数列:

[1, 7, 43, 47, 301, 329, 983, 1549, 2021, 6881, 10843, 14147, 42269, 46201, 66607, 72803, 295883, 323407, 466249, 509621, 1522667, 1986643, 3130529, 10658669, 13906501, 21913703, 65474681, 71565349, 458322767, 500957443, 3077310007, 21541170049]

約数ペア:

[(1, 21541170049), (7, 3077310007), (43, 500957443), (47, 458322767), (301, 71565349), (329, 65474681), (983, 21913703), (1549, 13906501), (2021, 10658669), (6881, 3130529), (10843, 1986643), (14147, 1522667), (42269, 509621), (46201, 466249), (66607, 323407), (72803, 295883)]