21771569127

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{21523}}^1$

素因数の和:21724

約数の個数: 64

約数和(自身を含む): 37689384960

約数和(自身を除く): 15917815833

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 151, 203, 231, 319, 453, 609, 957, 1057, 1661, 2233, 3171, 4379, 4983, 6699, 11627, 13137, 21523, 30653, 34881, 48169, 64569, 91959, 144507, 150661, 236753, 337183, 451983, 624167, 710259, 1011549, 1657271, 1872501, 3249973, 4369169, 4971813, 6865837, 9749919, 13107507, 20597511, 22749811, 35749703, 48060859, 68249433, 94249217, 107249109, 144182577, 250247921, 282747651, 659744519, 750743763, 1036741387, 1979233557, 3110224161, 7257189709, 21771569127]

約数ペア:

[(1, 21771569127), (3, 7257189709), (7, 3110224161), (11, 1979233557), (21, 1036741387), (29, 750743763), (33, 659744519), (77, 282747651), (87, 250247921), (151, 144182577), (203, 107249109), (231, 94249217), (319, 68249433), (453, 48060859), (609, 35749703), (957, 22749811), (1057, 20597511), (1661, 13107507), (2233, 9749919), (3171, 6865837), (4379, 4971813), (4983, 4369169), (6699, 3249973), (11627, 1872501), (13137, 1657271), (21523, 1011549), (30653, 710259), (34881, 624167), (48169, 451983), (64569, 337183), (91959, 236753), (144507, 150661)]