21100601090

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{297989}}^1$

素因数の和:298166

約数の個数: 32

約数和(自身を含む): 38898422640

約数和(自身を除く): 17797821550

約数列:

[1, 2, 5, 10, 73, 97, 146, 194, 365, 485, 730, 970, 7081, 14162, 35405, 70810, 297989, 595978, 1489945, 2979890, 21753197, 28904933, 43506394, 57809866, 108765985, 144524665, 217531970, 289049330, 2110060109, 4220120218, 10550300545, 21100601090]

約数ペア:

[(1, 21100601090), (2, 10550300545), (5, 4220120218), (10, 2110060109), (73, 289049330), (97, 217531970), (146, 144524665), (194, 108765985), (365, 57809866), (485, 43506394), (730, 28904933), (970, 21753197), (7081, 2979890), (14162, 1489945), (35405, 595978), (70810, 297989)]