21556559715

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1163}}^1\times {\mathrm{6827}}^1$

素因数の和:8179

約数の個数: 32

約数和(自身を含む): 34715955456

約数和(自身を除く): 13159395741

約数列:

[1, 3, 5, 15, 181, 543, 905, 1163, 2715, 3489, 5815, 6827, 17445, 20481, 34135, 102405, 210503, 631509, 1052515, 1235687, 3157545, 3707061, 6178435, 7939801, 18535305, 23819403, 39699005, 119097015, 1437103981, 4311311943, 7185519905, 21556559715]

約数ペア:

[(1, 21556559715), (3, 7185519905), (5, 4311311943), (15, 1437103981), (181, 119097015), (543, 39699005), (905, 23819403), (1163, 18535305), (2715, 7939801), (3489, 6178435), (5815, 3707061), (6827, 3157545), (17445, 1235687), (20481, 1052515), (34135, 631509), (102405, 210503)]