21262091784

素因数分解:

$2^3\times 3^1\times {\mathrm{19841}}^1\times {\mathrm{44651}}^1$

素因数の和:64501

約数の個数: 32

約数和(自身を含む): 53159099040

約数和(自身を除く): 31897007256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 19841, 39682, 44651, 59523, 79364, 89302, 119046, 133953, 158728, 178604, 238092, 267906, 357208, 476184, 535812, 1071624, 885920491, 1771840982, 2657761473, 3543681964, 5315522946, 7087363928, 10631045892, 21262091784]

約数ペア:

[(1, 21262091784), (2, 10631045892), (3, 7087363928), (4, 5315522946), (6, 3543681964), (8, 2657761473), (12, 1771840982), (24, 885920491), (19841, 1071624), (39682, 535812), (44651, 476184), (59523, 357208), (79364, 267906), (89302, 238092), (119046, 178604), (133953, 158728)]