21000422696

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{30181}}^1\times {\mathrm{7907}}^1$

素因数の和:38105

約数の個数: 32

約数和(自身を含む): 42962266080

約数和(自身を除く): 21961843384

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 7907, 15814, 30181, 31628, 60362, 63256, 86977, 120724, 173954, 241448, 331991, 347908, 663982, 695816, 1327964, 2655928, 238641167, 477282334, 954564668, 1909129336, 2625052837, 5250105674, 10500211348, 21000422696]

約数ペア:

[(1, 21000422696), (2, 10500211348), (4, 5250105674), (8, 2625052837), (11, 1909129336), (22, 954564668), (44, 477282334), (88, 238641167), (7907, 2655928), (15814, 1327964), (30181, 695816), (31628, 663982), (60362, 347908), (63256, 331991), (86977, 241448), (120724, 173954)]