21787373985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1025047}}^1$

素因数の和:1025177

約数の個数: 32

約数和(自身を含む): 37885774080

約数和(自身を除く): 16098400095

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 1417, 1635, 4251, 7085, 21255, 1025047, 3075141, 5125235, 13325611, 15375705, 39976833, 66628055, 111730123, 199884165, 335190369, 558650615, 1452491599, 1675951845, 4357474797, 7262457995, 21787373985]

約数ペア:

[(1, 21787373985), (3, 7262457995), (5, 4357474797), (13, 1675951845), (15, 1452491599), (39, 558650615), (65, 335190369), (109, 199884165), (195, 111730123), (327, 66628055), (545, 39976833), (1417, 15375705), (1635, 13325611), (4251, 5125235), (7085, 3075141), (21255, 1025047)]