21021392671

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{577}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 22513627136

約数和(自身を除く): 1492234465

約数列:

[1, 31, 43, 151, 181, 577, 1333, 4681, 5611, 6493, 7783, 17887, 24811, 27331, 87127, 104437, 201283, 241273, 769141, 847261, 1175233, 2700937, 3237547, 3746461, 4490791, 15769987, 36432223, 116140291, 139214521, 488869597, 678109441, 21021392671]

約数ペア:

[(1, 21021392671), (31, 678109441), (43, 488869597), (151, 139214521), (181, 116140291), (577, 36432223), (1333, 15769987), (4681, 4490791), (5611, 3746461), (6493, 3237547), (7783, 2700937), (17887, 1175233), (24811, 847261), (27331, 769141), (87127, 241273), (104437, 201283)]